Rohrer and Klingner Dokumentus ink is designed for fountain pens (best with wide nibs) and made specifically for signing official documents which require long term permanence.
Dokumentus is made with small diameter micronized pigment and is waterproof and lightfast (unlike most fountain pen inks which are made with dyes and therefore not lightfast over time). Learn More
Rohrer and Klingner Writing Ink Glass pen, blue/red. The Glass Pen nib features fine capillaries that ensure a smooth flow of the ink. The pattern on each pen may vary as it is produced and processed exclusively by hand. Learn More