Diamine Matador Ink Bottle - 80 mlDiamine Co. has been offering various fountain pen inks, Calligraphy/ Drawing Ink & Stamp Pads and able to sustain till now by producing fine quality ink with traditional method since 1864. Diamine Co. has been providing probably the largest collection of fountain pen ink with diverse colors. Diamine Ink is water based ink that has been the foremost preference for many pen lovers.