Patents for ballpoint pens go back to the late 1800s, but it took half a century to develop good, fast-drying inks.
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Debuted at the Baltimore Pen Show in 2020 and sold out on the second day of the show! It is a great blue ink with purple and red overtones!, 3 ounces
Noodler's Baltimore Canyon Bottled Fountain Pen Ink - 3oz Bottle
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