Burnt Charcoal is part of the Keystone Formula fountain pen ink line, our traditional dye-colorant ink. The 60mL volume will provide approximately 75 standard converter refills assuming a 0.8mL draw. Enjoy Burnt Charcoal as a standalone fountain pen ink, or blend it with other Birmingham Pen Co. fountain pen inks to c
Burnt Charcoal is part of the Keystone Formula fountain pen ink line, our traditional dye-colorant ink. The 60mL volume will provide approximately 75 standard converter refills assuming a 0.8mL draw.
Enjoy Burnt Charcoal as a standalone fountain pen ink, or blend it with other Birmingham Pen Co. fountain pen inks to craft your personalized shade.
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