Sailor is well-known for producing exclusive inks for fountain pen shops in Japan. Kingdom Note in Tokyo has a “Biological” ink series that focuses on different types of biological life. Tanna Japonensis is a part of the first series: “Insects.” As a Sailor exclusive ink, it comes in a beautiful ink bottle that Sailor only uses for it’s Japan-exclusive inks. This ink itself is a lovely, warm tone with a soft, mossy green feel to it. I was pleasantly surprised by how much shading is possible with this ink ranging between that light, mossy green to a deeper color reminiscent of the light tapering off as you venture further into the woods. The ink flows wonderfully and goes down on the page wet, but drys very quickly. No bleeding on Rhodia paper unless pushed to the limit with flex or multiple passes. Unfortunately, this ink has zero water resistance properties and is easily washed away with brief exposure. Overall, this is a very nice shade of green that I happily recommend if you can get your hands on a bottle.
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