Old / Rare glue sumi ink sticks ( 古墨 希少膠墨 希少胶墨 )
Koboku ( 古墨 ) is a name of an ink that was produced in the past. There are very few of them nowadays.
Kisho Nikawa ( rare glue ) sumi ink sticks ( 希少膠墨 希少胶墨) are made from special kinds of glue imported from China over a hundred years ago by Kobaien. The ink has a beautiful glossy color and excellent elasticity.