Diamine - Prussian Blue Size:30ml Bottle 1 on the Billboard Hot

1 on the Billboard Hot 100 in February 1970

Lamy Blue Black is a greyish blue-black ink with high shading and low copper sheen

or an undesired reaction will occur

Low brown sheen Shimmer

Diamine - Prussian Blue Size:30ml Bottle 1 on the Billboard HotDiamine Prussian Blue is a medium blue black fountain pen ink with low shading. It dries in 30 seconds in a medium nib on Rhodia and has an average flow. Diamine ink has been made in England since 1864. Brand Diamine Ink Name Prussian Blue Country of Origin England Color Blue Black Dry Time 30 Seconds (Pilot Vanishing Point Medium Nib on Rhodia Paper) Flow Average Shading Low Sheen No Shimmer No Limited Edition No Water Resistance No Iron Gall No