Platinum Chou Kuro Bottled Ink in Blackest Black - 60mL Color__Quartz Blue Lacquer__cross-townsend-quartz-blue-lacquer-w-two-tone-18kt-gold-rhodium-plated-nib-fine-point-fountain-pen With its vibrant red resin

With its vibrant red resin accented by subtle hints of blue

correspondence or calligraphy

Ink Color: deep olive-green

Material: Acrylic

Platinum Chou Kuro Bottled Ink in Blackest Black - 60mL Color__Quartz Blue Lacquer__cross-townsend-quartz-blue-lacquer-w-two-tone-18kt-gold-rhodium-plated-nib-fine-point-fountain-pen With its vibrant red resinChou Kuro is the blackest ink ever created from Platinum in its 104 year history! An ink that is blacker than black, and 46. 8% darker than Platinum's famous Carbon Black, this permanent ink from Platinum is going to set the new standard of what is possible from permanent black ink in the fountain pen market.