Akkerman 10 Akkerman Ijzer-galnoten Blauw-Zwart
Iron nut-gall blue/black ink made by P.W. Akkerman pen store in The Hague.
Originally made to celebrate their 100th anniversary, this ink comes in a vintage-style bottle with a narrow neck with a marble stopper, to create a well at the top to aid in filling pens.
Please note: this ink is dark blue when wet, and darkens to a grey-black as it dries.
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