A 50ml glass bottle of Rohrer & Klingner Dokumentus Schwartz fountain pen ink. Rohrer & Klingner Dokumentus Schwartz fountain pen ink is a deep shade of black. Rohrer & Klingner fountain pen ink, feature high-class, brilliant colorants, specially treated water and minimal amounts of additives. Dokumentus ink is the world's first fountain pen ink that conforms to the requirements of DIN ISO 12757-2 (the standard that determines archival quality). Rohrer and Klingner Dokumentus Schwartz ink has been certified for use by registrars on official documents, and this ph-neutral ink is permanent and archival.
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Volume - 50ml Bottle Material - Glass Color Group - Black Special Properties - Water Resistant, Archival