Try a sample before committing to a bottle! This 2ml sample of Diamine Prussian Blue fountain pen ink comes in a labeled plastic vial.
Diamine Ink in Prussian Blue, 30mL/80mL Plastic Ink Bottle., Made in the UK, High-Quality Safe Ink for your Fountain Pen, Suitable for all
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Got a sample of Diamine Prussian Blue and it's beautiful even with a dip pen : r/fountainpens
A 3ml sample of Diamine Washable Blue fountain pen ink, labeled with the name of the ink brand and color, in a plastic ink sample vial with a dip at
Diamine Washable Blue Ink Sample (3ml Vial)
Prussian Blue Standard 30mL More Diamine Inks About Diamine: Diamine inks have been manufactured in the United Kingdom since 1864. They are
Diamine Fountain Pen Ink - Prussian Blue - 30mL
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A side-by-side comparison of all my blue-black samples to see what I'll want to use in my next “nice” pen purchase. : r/fountainpens
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