color
Blue-Black Ink
A classic fountain and record ink that writes blue and darkens toward black. Not iron-gall-ink as the chemistry lemma alone, and not prussian-blue pigment.
Also known as Blue black ink · Blue-black writing ink
color
A classic fountain and record ink that writes blue and darkens toward black. Not iron-gall-ink as the chemistry lemma alone, and not prussian-blue pigment.
Also known as Blue black ink · Blue-black writing ink