Ultramarine is part of the Keystone Formula fountain pen ink line, our traditional dye-colorant ink. This hue will produce a sheening effect when saturated on high-quality papers like Tomoe River and Rhodia. Our writing sample in this listi...
Reviews
5.0
3 ratings
5
4
3
2
1
This ink is my new favorite. I love the quality of it, and the color is beautiful on any paper.