Rohrer & Klingner *Since 1892* dokumentus Black Document Ink, 50ml Bottle

World's first certified ink according to DIN ISO 12757-2 Documentary proof, waterproof, non fading, unerasable, pH-adjusted This ink was certified that it can be used by registrars for official documents The pen should be closed immediately after use! Available colors: magenta, dark blue, light blue, green, brown, black