Teranishi Guitar Glass Dip Pen - Cosmo Blue Navy Custom blue-black fountain pen ink

Custom blue-black fountain pen ink made for the Nagasawa Pen Store in Japan

TWSBI is based in Taiwan and the ink is produced in China

Dark Emerald

and their exports to the market soon dwarfed the production from other French wine making regions​

Midnight Blue Country of Origin

Teranishi Guitar Glass Dip Pen - Cosmo Blue Navy Custom blue-black fountain pen inkExperience the smooth precision of Teranishi's Guitar Glass Dip Pen. Handmade with a unique glass nib, simply rinse to switch inks and easily replace when needed. The translucent body boasts a beautiful swirl design and comes with a protective cap for your on the go writing needs. Expertly crafted for a flawless writing experience. Acrylic Body Glass Nib Replacement Nibs