Diamine Regency Blue Fountain Pen Ink Sample in clear 3ml vial with a conical bottom for easy filling, labeled with the name of the ink brand and color. Diamine Regency Blue is a deep shade of blue. Having trouble deciding between colors? Use our Ink Comparison Tool to quickly and easily view different colors side by side.

Volume - 3ml Vial Material - Plastic Color Group - Blue, Blue-Black