Yamamoto Paper Tasting Washi Vol. 1: A Review

(Susan M. Pigott is a fountain pen collector, pen and paperholic, photographer, and professor. You can find more from Susan on her blog Scribalishess.)

Back in May of 2020, I did a two-part review of the Yamamoto Fountain Pen Friendly Paper Collection (part 1 and part 2). I had a blast testing each type of paper and discovering that there's more to life than Tomoe River Paper (although there's that too)!

This week I'm reviewing a smaller collection of paper that Yamamoto calls "Paper Tasting." I love this expression, because, like wine, paper is a sensory experience that varies depending on the pens and inks you pair with the paper.

Although stationery addicts are familiar with washi tape, they may not know what washi paper is. I honestly didn't know what the difference between washi paper and other paper was. The term "washi" comes from "wa" (="Japanese") and "shi" (="paper"), thus "washi" means "Japanese paper." However, washi paper is typically made with natural fibers like kozo (mulberry) and gampi to give it texture and strength. (Source: https://japanobjects.com/features/washi-paper).

Washi Vol. 1 contains three papers: Shikoku Tenrei (slightly larger than B7 size: 90mm x 127mm/ 3.5 x 5 inches); Nagomi Unryu (slightly larger than A6 size: 110mm x 148mm/ 4.3 x 5.8 inches), and Kinkakuden (slightly larger than B6 size: 127mm x 181mm/ 5 x 7.1 inches). Each pad of paper is 25 sheets. In addition, the packet includes a pamphlet discussing the importance of paper grain, a binder clip, and a sheet describing each type of washi paper.

Shikoku Tenrei

Shikoku Tenrei is the smallest of the three paper samples. It is ivory with bits of Hana fiber scattered throughout. Hana fiber has a shiny white/silver appearance difficult to capture in photos.

The paper is smooth to the touch--you cannot feel the Hana fibers nor will they catch on your nibs. I tested nine pens and inks on Shikoku Tenrei. The paper handled all of them flawlessly. I noted no bleeding of the ink into the paper and, although there is show-through, none of the inks bled through the paper.

I also swatched eight inks with cotton swabs. Once again, the paper accepted the inks without any problems (no bleed through). This paper displayed sheen when it was present in the inks. One of the coolest effects was the Hana fibers shining through the inks.

I really like Shikoku Tenrei washi paper. It deserves its role as royal paper, because it is elegant and beautiful. I'd love to have larger sheets of this for bookbinding, and it would make excellent stationery (though the B7 size is a bit small for letter writing).

Nagomi Unryu

Who wouldn't love paper that is called Dragon Cloud? This brown, textured paper is embedded with rayon fibers that look like wisps of dragon breath. When you rub the paper between your fingers, you discover that the front side is smoother and the reverse side is more textured. The rayon fibers can be felt on both sides.

Because this washi paper has so much texture, it does not work well with fountain pens, especially fine-nibbed fountain pens. When writing, the nib catches on the textured paper and can even pull out the rayon fibers. I noticed that the ink bled into the paper and whenever it touched the rayon fibers, it spread along them. However, the paper is thick enough that the ink doesn't show through at all. The paper does have a tendency to curl up after you write on it.

The paper handled most of the ink swabs well, except for Yama-Budo, which bled. Ink also spread along the rayon fibers. I thought the larger swab of Scribo Grigio was fascinating with the rayon fibers dancing through it.

Nagomi Unryu is not a fountain-pen friendly washi paper, although it would be fine for regular pens and pencils. I think it is the most interesting paper in the set. With its dual texture and rayon fibers, it would work well as an art paper. I plan to try it with watercolors and ink/bleach splashes.

Kinkakuden

Kinkakuden was one of the papers included in the Yamamoto Fountain Pen Friendly Collection. It's a cream-colored paper with texture (but no obvious fibers like the other two papers in the set). If you hold the paper up to the light, you can see laid lattice marks (though this paper is made by machines, not by hand).

The paper has a smooth side and a more textured side. And, although there is texture in the paper, my nibs didn't catch like they did when I tested this paper back in May. It's possible I was writing on the side with more texture when I did my tests then. Ink does not bleed when you write and, although there's show through, none of the inks bled through the paper.

The paper is excellent for ink swabs. Unlike my previous test where the paper seemed to absorb sheen, it was quite obvious in this test on the smooth side of the paper. The paper does pucker beneath the wet swabs, but none of the ink bled through.

Kinkakuden is a lovely paper that can be used as stationery or for journaling and calligraphy.

I am such a paper nerd that I want to get all the Yamamoto Paper Tasting sets. You can find the Washi Vol. 1 set at JetPens for $10.80. Other sets available are Eggshell Vol. 1, Onionskin Vol. 1, Translucent Vol. 1, and Silky Vol. 1. Since these are all labeled "Vol. 1," I'm sure we can expect more volumes in the future.

(JetPens provided this product at no charge to The Pen Addict for review purposes.)

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Fountain Pen Friendly Paper Collection by Yamamoto Paper: A Review (Part 2 of 2)

Last week I posted part 1 of my review of the Fountain Pen Friendly Paper Collection by Yamamoto Paper. If you didn’t get a chance to read it, please start with part 1, because it gives background about the paper collection and discusses which pens and inks I used.

This week I will continue my review of the remaining nine papers in the collection.

No. 10 ~ Bank Paper (48.2 gsm)

Bank Paper was developed by Mitsubishi Paper Mills in 1960 for use as bank ledger paper. It was developed to provide a smooth writing experience using a broad range of writing instruments, along with durability for use in an office environment. . . Bank Paper is a unique blend of several types of pulp and cotton, developed specifically to prevent any see-through and [to provide] consistent texture for dual-sided use. The “Three Diamonds” watermark is Mitsubishi Paper Mill’s stamp of assurance for their high quality manufacturing. Our fountain pen tests showed quick dry times, accurate color reproduction, and no bleed through.

Bank Paper is thicker than Tomoe River paper. It is smooth, but not glassy, having just enough texture to give you some feedback when you’re writing, but not so much that you feel like pulp is getting in the tines.

This paper exhibits see through but absolutely no bleed through, so it would make an excellent alternative for those who do not like Tomoe’s thinness.

Ink dried quickly on this paper, and both sheen and shading were excellent. Happily, this paper is available at JetPens in Life brand packets of 100 sheets (nearly A5 sized) for $19.50.

No. 11 ~ Spica Bond (49 gsm)

Bond Paper is known for its strength and durability, and is used in checks, stock certificates, and important business documents. For the most sensitive prints, copper plates were hand carved and pressed onto Bond Paper. The copper plates were stored in safes to prevent theft and forgery. Mitsubishi Paper Mills Bond Paper was first manufactured in 1921. Spica Bond is a variation that was released in 1970 exclusively for Takeo Paper. It is believed to be modeled after the Speaker Bond Paper that was manufactured back in the 1940s. The manufacturer added a unique watermark to the paper to indicate their confidence in its quality.

Spica Bond Paper has character. It contains 25% cotton and feels a bit like parchment paper. It is wonderfully smooth, but has just a bit of texture to it (I’m assuming this is due to the cotton), so it is a delight to write on.

The paper is thin and ink does show through but I experienced no bleed through.

Ink dries quickly on Spica Bond, so you don’t have to worry about smearing, and both shading and sheen come through well on this paper. It is the perfect paper for watercolor, ink drawings, and journaling. Musubi, maker of incredibly beautiful journals, offers this paper in a hand-bound, special edition journal(200 pages) costing around $115-120 depending on exchange rates.

No. 12 ~ Champion Copy (35 gsm)

Diazo copying (blueprinting) is a printing process where the original document and photosensitive paper [are] pressed together, upon which light is shined through to burn the text onto the photosensitive paper. Very thin paper is needed for this process. However, the thinner the paper, the less durable the paper becomes and becomes difficult to handle. Mitsubishi Paper Mills Champion Copy was developed to produce a paper that is durable but has high see-through. It also offers high printability for letterpress and offset-printing. Our fountain pen tests showed fast dry times, good color reproduction, and no bleed-through. This paper is made using old equipment at the Takasago factory in Hyogo prefecture.

Champion Copy Paper reminds me very much of Tomoe River paper with slightly more texture (Champion is only 35gsm compared to Tomoe’s 52gsm). It displays both shading and sheen well.

Like Tomoe, it is very thin and ink shows through quite visibly. I noted a bit of bleed-through with my wettest nib (the Waterman Music inked with Montblanc Toffee).

Champion Copy Paper is a terrific writing paper, but, as far as I can tell, it’s not readily available. I couldn’t find a company that uses it for notebooks or even loose sheets of paper. Since it is so similar to Tomoe River paper, your best bet is simply to purchase Tomoe instead.

No. 13 ~ Typewriter Paper (35 gsm)

It is important for Typewriter Paper for copy with carbon paper to be thin and durable. Genta Yoshii (1826-1908) is known as the father of modern Japanese thin paper making. The Typewriter paper for copy he developed in the early 1900s was very popular in America. Mitsubishi Paper Mills Typewriter Paper was also developed to handle the strong strikes from the typewriter keys while still being thin. You are able to stack five sheets of this paper with carbon copy sheets in between in a typewriter and still get crisp letters on all sheets. It handles ink well and has good printing qualities. Our fountain pen tests showed short dry times, good color representation, and no bleed-through. This paper is produced using old equipment at the Takasago factory in Hyogo prefecture. It has the level of quality that would be difficult to reproduce using modern mass-production equipment.

Typewriter Paper feels exactly like the thin paper I remember using with carbons in the old days of typewriters (yes, I’m that old). It’s very thin and a bit slick, especially when you’re writing with wetter inks. Ink dries quickly, however, so you don’t have to worry about smearing.

The paper is thin, so show through is quite evident, and my wetter inks bled through as well.

As with Champion Copy Paper, I am unsure how ordinary folks could get access to this paper. I was unable to find a website for Takasago Paper Factory, and I don’t know if any companies use this paper in notebooks or paper packets.

Nos. 14 and 15 ~ Air Mail Bond White and Air Mail Bond Natural (61.7 gsm)

This is high quality stationery paper that has laid lattice marks and a brand logo watermark. While the laid lattice marks are a design reproduction of traditional screen patterns, it shows how the laid patterns were imprinted on the paper when the pulp was sifted over the screens. This Air Mail Bond reproduces the elegance of traditional hand-made paper through these design elements. In this case, the watermark is added using a dandy roll during the manufacturing process. Our fountain pen tests showed short dry times, good color, reproduction, and no bleed-through.

Air Mail Bond is one of the most interesting papers in the collection. In addition to the watermark, you can also see (and feel) the laid lattice marks (light, gray horizontal lines in columns). Although the lattice marks are simply reproductions of the lines created when paper was drained on screens long ago, their presence makes this paper look and feel unique.

For my tests, I cut the vertical page in half and wrote horizontally on each half page. Because of this, I could feel the laid lattice marks against my nibs as I wrote. This wasn’t problematic, nor did it feel as though my tines were being disturbed in any way, it was just . . . different. In the swab tests, you can see the lattice marks underneath the ink. Ink dries quickly on this paper, and it displays both shading and sheen well, though not quite as visibly as untextured paper.

Air Mail Bond comes in both white and natural (cream) versions. This paper looks and feels luxurious, and it definitely does not disappoint when you write on it. Even though it is only 67 gsm, it feels much thicker (perhaps due to the lattice marks). There’s very little show through and absolutely no bleed-through on this paper.

Air Mail Bond is one of my favorite papers in the collection because it is quality stationery that is fountain pen friendly. I particularly love the texture provided by the lattice marks.

The description in the Yamamoto collection doesn’t indicate where this paper is produced. I found something called “Basildon Air Mail Paper,” but I’m not at all certain that it is the same. I would love to have a stash of this paper for writing letters . . . . Maybe having some would inspire me to actually write letters. Hmmmm.

No. 16 ~ Eastory COC (“Thin Type”)

This paper was developed by Mr. Ken Uchihiro of Kyoto Kami Shoji, a paper distributor based in Kyoto. He was moved by a 2013 newspaper article commenting on the resurgence of handwriting in the digital age. It was developed with the goal of producing a paper that was smooth for a great writing experience, had no feathering nor bleed-through, fast drying, and can be used on both sides. Through a long trial-and-error process with Oji F-tex, came about Eastory COC. Our ink tests with blue and black Sailor and Platinum inks showed no feathering nor bleed-through. Very wet reddish-pinkish J. Herbin inks showed slight feathering and bleed-through. We recommend writing with medium or finer nibs. We really like the roughness that travels through the pen-tip when writing.

Eastory COC is a lovely textured paper that provides just enough sensory feedback that you can tell you’re writing on something special. Ink absorbs immediately, so you don’t have to worry about smudging as you write. This is one of those papers that is simply a pleasure to write on with any nib and any ink. Because the ink absorbs into the paper, it does not display much (if any) sheen. But colors are vibrant and shading is beautiful.

The paper is thin, but substantive enough that there’s not much show through and absolutely no bleed-through.

In my opinion, Mr. Uchihiro succeeded in his quest to create a smooth, great writing experience with Eastory COC. As far as I can tell, the only source for this paper is Yamamoto Paper Company, but they are on hiatus right now. I’m going to ration my few pages of this paper for something special.

No. 17 ~ OK Fools (81.4 gsm)

OK Fools was the first Fool’s Cap paper produced in Japan by Ohtori Paper. In Japan, the term “Fools Paper” has long been used to refer to high-end writing paper. British Fool’s Cap paper was first imported into Japan in the late 1800s. The popular Japanese version was produced at the Oji Ogura Factory, where the name OK comes from. While the current iteration is being made by Nippon Paper Industries Yatsushiro Factory, they have kept the OK name for brand recognition. Our ink tests with blue and black Sailor and Platinum inks showed no feathering nor bleed-through. Very wet reddish-pinkish J. Herbin inks showed slight feathering and bleed-through. We recommend writing with medium or finer nibs.

OK Fools is indeed a high-end writing paper. Like Air Mail Bond, it has lattice marks but you can’t feel them with your fingers. The paper is quite smooth with a tiny bit of texture, and ink dries quickly. Writing on this paper is pleasurable, and it shows off shading quite well. Sheen is less noticeable, but you can see a little where the ink has pooled.

OK Fools is one of the thickest papers in the Yamamoto collection. Although there’s virtually no show through, my wetter inks did bleed through a tiny bit, which surprised me.

Although I couldn’t find a source for Nippon Paper’s version of OK Fools, I did find Fools Cap notebooks by Tsubame Paper on JetPens. This is a must-have paper for me.

No. 18 ~ Colored Woodfree Paper Black (“Thick Type”)

When you write with a fountain pen on black paper, you sometimes see different colors appear from what you are used to seeing. Red inks may reveal yellow colors, and blue inks may reveal red colors. This is because some of the reflective particles of the ink get absorbed by the paper. Have fun experimenting with the various inks you have.

Wow! This paper is super interesting. It feels more like cardstock than paper, but it’s definitely not like construction paper--it’s much smoother and doesn’t have the pulpy feel of construction paper. Writing on black paper is sort of like writing with invisible ink. I tried my best to keep my lines straight, but I couldn’t see what I was writing until after I wrote it and the sheen came out. I was surprised at how well sheeny inks did with the black paper. In fact, the sheen inks wrote better than Diamine Shimmer ink, which I thought would show up quite well. Brown, gold, and green inks were almost invisible, and Sailor 123 disappeared completely. On the other hand, most of the ink swabs displayed remarkable sheen with the exception of Diamine Autumn Oak and Pelikan Jade.

This paper is thick enough that you wouldn’t expect bleed-through, so I didn’t take a photo of the reverse side. However, I can actually make out a few places where ink bled through, namely Montblanc Corn Poppy, Sailor Yama-dori, and Diamine Golden Sands. Show through is obviously not a problem with black paper.

I enjoyed trying out this black paper with various pens and inks. I honestly didn’t expect to see anything at all, assuming that the ink colors would be absorbed by the paper. This isn’t a paper I would use regularly, but it is a nice addition to the collection because of the magic created when various inks interact with black paper.

Conclusion

I have had so much fun reviewing the Fountain Pen Friendly Paper Collection. The experience helped me realize what a rut I’ve gotten into when it comes to paper. I stick to what I know: Rhodia, Tomoe River, and Midori. These are excellent papers, but the Yamamoto Collection exposed me to paper with different textures, absorbencies, thicknesses, and, for lack of a better term, “finger-feel.”

My favorite papers in the collection are:

• No. 4, New Chiffon Cream
• No. 5, Cosmo Air Light
• No. 11, Spica Bond
• Nos. 14-15, Air Mail Bond White and Natural
• No. 16, Eastory COC
• No. 17, OK Fools

Unfortunately, one of the downsides to specialty paper is lack of accessibility. I’ll have to wait for Yamamoto’s Etsy store to reopen in order to purchase some of my favorites, and others (like Eastory COC) may never be easily available to the general consumer.

I highly recommend the Fountain Pen Friendly Paper Collection by Yamamoto to all pen addicts. There’s just something exquisitely sensuous about handling these papers and writing on them. We’re deadened to the sound, smell, and feel of paper because we plow through it so quickly printing documents on copy machines. But writing paper is different. The tactile nature of pen, paper, and ink invites us to use all our senses, to slow down, to touch, to hold the paper to the light, to smell it, to hear it crackle. We remember the simple pleasure that comes from putting pen to paper.

The Fountain Pen Friendly Paper Collection by Yamamoto is currently available at JetPens for $39.50.

(Yamamoto Paper provided the Fountain Pen Friendly Paper Collection to Pen Addict at no cost for review purposes.)

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Fountain Pen Friendly Paper Collection by Yamamoto Paper: A Review (Part 1 of 2)

(Susan M. Pigott is a fountain pen collector, pen and paperholic, photographer, and professor. You can find more from Susan on her blog Scribalishess.)

Brad sent me the Fountain Pen Friendly Paper Collection by Yamamoto Paper to review several months back. It sat quietly in my queue, until one evening, a few weeks ago, I removed the plastic and flipped through the pad. I was stunned into silence. I’ve received paper collections before, but I’ve never seen anything like this one. Preceding each set of paper there’s a golden parchment page that details where the paper is made, the history behind the paper, and a brief description of its characteristics.

I totally geeked out, reading the descriptions then tracing my fingers over each paper, feeling its smoothness or texture, measuring its thickness, delighting in its crinkles as I turned the pages. Audible gasps and exclamations of “Ooooo,” emerged from my home office. I carried the pad reverently into the living room where I told my husband that I was holding a veritable treasure trove of precious paper. He just shook his head and went back to reading his book. I do not understand him.

The paper in this collection isn’t just paper. Rather, each set reflects the science and artistry of various paper makers who developed the paper for specific purposes. I am fascinated by this, because the interaction between pen, ink, and paper is often a mysterious alchemy. Some papers bring out the vibrant colors and sheen of ink. Other papers offer a more tactile writing experience because of their texture. Still others have the perfect combination of thickness, texture, and absorption that makes writing an absolute pleasure. And who doesn’t love the crinkly feel and sound of quality paper?

Below, I include the description of each paper (as written by Yamamoto Paper) followed by my own observations. To test the paper, I used twelve pens with various nibs and ink types and eight different inks for swabbing. I wanted to offer a variety of nib sizes from fine to extra broad (music). I also attempted to use many different brands of inks, but ultimately I emphasized color over manufacturer variety.

This is part one of my review, in which I discuss the first nine papers in the collection. Next week I will review the remaining nine.

Pens

The following pens were used on each type of paper:

• Pilot Custom 823, medium nib, inked with Iroshizuku Yama-budo
• Montegrappa Mia, 1.1 stub nib, inked with Iroshizuku Kon-peki
• Leonardo Furore, 1.3 stub nib, inked with Lamy Dark Lilac
• Lamy 2000, fine nib, inked with Aurora Black
• Montblanc Virginia Woolf, medium nib, inked with Montblanc Corn Poppy Red
• Nakaya Dorsal Fin 2, medium stub flex nib, inked with Iroshizuku Tsukushi
• Pilot Custom Heritage 912, FA nib, inked with Sailor Yama-dori
• Pelikan M400, OBB nib, inked with Robert Oster Gold Antiqua
• Sailor Pro Gear, Zoom Architect nib, inked with Sailor 123
• Sailor Realo, Music nib, inked with Diamine Golden Sands (shimmer ink)
• Waterman, Music nib, inked with Montblanc Toffee
• ASC Pavarotti, 1.1 Music nib, inked with Robert Oster Eucalyptus

Inks

The following inks were used for swabbing on each type of paper:

• Akkerman Shocking Blue
• J. Herbin Emeraude de Chivor (shimmer ink) (turquoise)
• Kobe Mikage Grey
• Diamine Autumn Oak (orange)
• Kyo-no-oto Adzuki-iro (pink/burgundy)
• Montblanc Corn Poppy (I tried not to repeat inks from the pen tests, but this is my best red ink)
• Pelikan Jade (Edelstein) (green)
• Sailor 735 (purple)

No. 1 ~ View-Corona for Pocket-book (52 gsm)

View-Corona for Pocket-book is made at the Oji F-Tex Tokai factory. This factory, formally known as Toyo Kako-shi was established in 1919 to produce rolling paper for tobacco and carbon copy paper. Currently this Tokai factory produces a wide range of highly technical specialty papers, such as ultra-thin dictionary paper, contaminant controlled medical paper, and magnetically coated papers for use as train tickets and parking tickets. This View-Corona for Pocket-book is also made with very specialized technologies to give it thinness, lightness, bleed-through protection, and a smooth writing experience.

Although View-Corona paper is intended for printing dictionaries and books, it is also excellent for fountain pens. It is a cream-colored paper that is quite similar Tomoe River Paper, but it feels just a tad more substantial to me (even though it is 52gsm, just like Tomoe). It has a smooth, untextured surface that allows ink to glide over it, and it brings out both shading and sheen in inks that have it. Shimmer ink also shows up well on this paper.

Colors show up nicely in swabs, though sheen wasn’t as prominent as on other papers. This was my first swab test, and I didn’t lay down the ink as thickly as I did on subsequent papers, so that may be why the inks didn’t display as much sheen.

Because of the thinness of the paper, there is show through, but none of the inks I tested exhibited any bleed through.

For writers who find Tomoe River paper just a bit too thin, this might be a good alternative. Unfortunately, I couldn’t find a website for “Pocket-book” (if that is a brand), so I’m not sure how you could purchase a notebook with this paper. I did find the page describing the paper on the Oji F-Tex site.

Nos. 2 and 3 ~ Tomoe River White and Cream (52 gsm)

Tomoe River is known for being thin and light. It handles fountain pens, ball-point pens, and pencils well, and the softness of the paper makes it easy for notebooks to lie flat. It has gained worldwide attention as the paper used by the Hobonichi Techo. Unfortunately, the Tomoe River paper mill announced in 2019 that it will be shutting down one of the factories they use to make this paper and will be outsourcing the manufacturing to another company. Due to the declining demand for paper, many paper companies seem to be reassessing their supply chain and manufacturing processes to achieve greater efficiencies and cost savings.

As stated in the above description, Tomoe River paper has become ubiquitous in the fountain pen community. Not only is it used in the Hobonichi Techo, it is used in the Seven Seas Writer, Hippo Noto notebooks, and many others, including Goulet.

In this collection, only the 52gsm version of Tomoe River paper is represented (a thicker 68gsm version is available from Hippo Noto and Goulet). Both the white and cream varieties provide a smooth writing surface for fountain pens. Tomoe River paper’s superpower is bringing out both shading and sheen from inks. You can see this clearly in the photos below.

The paper is quite thin so show-through is a given. However, none of the inks in my tests bled through--even the very wet Waterman Music nib inked with Montblanc Toffee.

I’m a huge fan of Tomoe River paper, so the fact that the company plans to outsource manufacturing disturbs me. I hope the paper retains its quality. As I said above, you can find Tomoe River paper from many different sources now, but my favorite journal with Tomoe River is the Seven Seas Writer.

No. 4 ~ New Chiffon Cream (75 gsm)

New Chiffon Cream is a light-cream colored book paper that is thick, light, and soft. Book paper, or high bulk paper, was developed to meet the needs of publishers who wanted a paper that balanced portability with thickness. It is a paper with low fiber density that is very light for its thickness. Its lightness makes it easy to carry without being brittle. It is suited for printing both text and images, and does not allow any bleed-through on the page. In addition to these great properties, New Chiffon Cream is PH neutral so it does not discolor over time, offering great archivability. In our ink tests, Sailor and Platinum inks dried almost immediately and showed no bleed-through. Some very wet inks, such as J. Herbin inks, showed slight bleed-through. However, the slightly rough surface provides a wonderful feel when writing. We at Yamamoto Paper like this paper so much, that we use it in our very own > > > > > > RO-BIKI NOTE> > > > > > notebooks. We highly recommend using this paper with ballpoints and fountain pens.

Oh myyyy, I love this paper. It is buttery soft with a bit of texture, quite unlike Tomoe River paper. Ink soaks in and dries quickly, so you won’t experience smudging while writing (lefties take note!) The first word that came to mind when I started my pen tests on this paper was “yummy.” Truly, this paper is delightful to write on. Sheen lovers may not care for this paper as it soaks up ink too quickly for much sheen to form. Nevertheless, it does exhibit good shading.

Although show through isn’t much of a problem with New Chiffon Cream, bleed through is (with wide nibs and wet inks).

I’d say that people who don’t like Tomoe River paper will probably love this paper. Unfortunately, the RO-BIKI notebooks only come in 91x210mm and 91x135mm sizes (no A5 notebooks). Plus, the Yamamoto Paper Etsy shop is currently closed. Still, I’m so impressed with this paper that I plan to buy some RO-BIKI notebooks just for the sheer pleasure of writing in them as soon as the shop reopens.

No. 5 ~ Cosmo Air Light (75 gsm)

Cosmo Air Light is a micro-coated book paper that is well suited for printing. It is categorized as high bulk book paper, and is used mostly for color printing of magazines and catalogs. This paper is known for its gentle white color that is not harsh on the eyes and for its accuracy of color representation. The micro-coated surface allows for beautiful photo reproductions. Our fountain pen ink tests showed longer than average dry times, but produced great color rendition accuracy, especially for colored inks. The micro-coated surface is not overly smooth and give you a nice writing experience.

Smooooooth. That’s the word for this paper. Cosmo Air Light is so smooth that my nibs actually squeaked as I wrote! The paper isn’t slick like Tomoe River. Instead, it has just enough texture that you don’t feel like your pen is ice-skating over the surface. But still, writing is so smooooooth.

The paper is nice and thick, so there’s very little show through and absolutely no bleed through.

This is another alternative for writers who aren’t keen on Tomoe River paper. It’s smoother and less absorbent than New Chiffon Cream, so not only does it show off shading, it also displays sheen beautifully.

You can get 50-sheet packs in A4 size from Yamamoto Paper’s Etsy site when they reopen. I have a feeling they are going to get a bulk order from me. As much as I love the feel of New Chiffon, I like Cosmo Air Light even more because of the shading and sheening it allows. I just wish it came in notebooks . . . .

No. 6 ~ 35NFC

35NFC is food-grade oil-resistant paper. Most oil-resistant papers use plastic film or fluorine resin, but these are not the most environmentally friendly. 35NFC avoids these materials, and produces its oil-resistancy through overlapping layers of highly dense paper. Regular paper absorbs oil immediately on contact, but with 35NFC, there is no absorption even after 30 minutes. Our ink tests showed a longer than normal dry time, but great color representation and no bleed-through.

This paper reminds me of onion-skin or carbon paper. It’s super thin, very slick, and ink takes a long time to dry. The paper curls up as you write, and it is hard to keep it in place. Shading and sheen come through quite well on this paper.

Because the paper is so thin, see-through is prominent and there’s significant bleed-through with broader nibs and wet inks.

That said, colors stay vibrant on this paper and it might be fun to use it for special projects--perhaps as a top sheet over other paper. I would not call 35NFC “fountain-pen friendly,” however. Maybe “fountain-pen usable but not recommended” would be a better way of describing it.

The only source for this paper that I could find was Yamamoto and Shigure Inks. 35NFC comes in a packet along with two other “onion-skin” type papers.

No. 7 ~ Glassine

The opaqueness of paper comes from the air pockets between the pulp fibers. It is the random reflection of the light that creates the white appearance of paper. To give paper greater transparency, one must reduce the space between the pulp fibers. When creating glassine paper, you must grind the pulp much more thoroughly than regular paper. On top of that, extreme pressure is applied to the paper using a super colander to further reduce space between the fiber, producing a very dense paper with high transparency. Our fountain pen ink tests showed longer than average dry times, but resulted in great color reproduction and no bleed-through.

This paper feels like super thin wax paper. It did not curl up when I was writing on it, but the ink interacting with the paper creates ripples. It’s a bit difficult to write on this paper and ink will smear until it dries completely.

See through is inevitable with paper this thin. Although Yamamoto’s testing resulted in no bleed through, in my tests I think some bleed through occurred with broader nibs and wetter inks (specifically Lamy Dark Lilac, Robert Oster Gold Antiqua, and Montblanc Toffee). It’s really hard to distinguish between bleed through and show through because of how thin the paper is. Regardless, I’m impressed at how well this paper handles fountain pens and ink.

This is another paper I wouldn’t call “fountain pen friendly” simply because it’s difficult to write on (because ink dries so slowly) and the ink creates ripples. But, it is such cool paper and so wonderfully crinkly that it’s certainly worth playing with.

No. 8 ~ 5 Leaf

5 Leaf was a paper by Tokushu Tokai Paper that was discontinued in 2011. However, 5 Leaf-N is its successor that is currently being made by NIPPON PAPER PAPYLIA. It is used as copy paper, business stationery, and in slip books. While it is very thin, it has a firmness, and has great writability. Our ink tests with blue and black Sailor and Platinum inks showed no feathering or bleed-through. Very wet redish-pinkish J. Herbin inks showed slight feathering and bleed-through. We recommend writing with Medium or finer nibs.

5 Leaf feels like thin parchment paper. It has a bit of texture to it, so it’s much easier to write on than the previous two papers. In addition, it really shows off ink colors well, though it seems to absorb sheen.

Once again, because this paper is so thin, see through is a given. I experienced bleed through as well, even with finer nibs. Plus I noticed bleeding lines with Aurora Black, Sailor Yama-dori, and Montblanc Toffee.

Although 5 Leaf was much easier to write on than 35NFC and Glassine, it doesn’t seem to handle ink as well as either of those papers. The fact that it doesn’t display ink sheen and lines bleed when you write make this paper even less fountain pen friendly. I wouldn’t recommend 5 Leaf for fountain pens.

No. 9 ~ Kin Kaku Den

In the fall of 2018, the manufacturer of Kin Kaku Den, Sakamoto Paper Industries, decided to close their operations. Sakamoto Paper Industries had a long history of making paper by hand before they switched to mechanized paper production in the 1960s. Kin Kaku Den was a paper they developed through extensive trial-and-error with the goal to create Washi paper suitable for offset printing. The name was inspired by the glimmering light reflected off of the main hall of the temple. Kin Kaku Den was commonly used in letter sets and for prayer writing by Buddhist monks. It is also used by the Ino Washi Museum for their pamphlets and entry tickets. Unfortunately they decided to cease operations due to the retirement of their paper master and the aging of their equipment which made maintenance difficult.

This paper feels almost like thin construction paper (but it is much nicer). It definitely has texture, so much so, that I felt the need to wipe off my nibs after writing on it because it seemed like fibers were getting stuck in the tines.

That said, it is a lovely paper that absorbs ink quickly so you don’t experience any smearing. As with other absorbent papers, Kin Kaku Den doesn’t display sheen. Shading, however, is quite good.

Because this paper is fairly thick, show through is minimal and there was absolutely no bleed through.

Kin Kaku Den is a truly unique paper. You can actually see the glimmer mentioned in Yamamoto’s description when you hold the pen in direct sunlight. The lovely texture of the paper is noticeable when you rub it between your fingers. Unfortunately, since the paper manufacturer has ceased operations, the only way you can obtain this Kin Kaku Den is in the Yamamoto collection.

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I have had so much fun testing each of the papers in the Yamamoto collection. Next week I will review the remaining paper samples.

I can say, unequivocally, that, if you are a paper geek like me, you simply must purchase the Yamamoto Fountain Pen Friendly Paper Collection. Even though the Yamamoto Etsy Store isn’t open right now, you can find this brilliant collection at site sponsor JetPens for $39.50.

(Yamamoto Paper provided the Fountain Pen Friendly Paper Collection to Pen Addict at no cost for review purposes.)