Van Dieman's - Natura Dualis Underflow Dual Tone Fountain Pen Ink Encore also known as the blue

also known as the blue pincushion

A mesmerizing dark shade that shimmers iridescently

From the vibrant coral reefs to the mysterious deep-sea trenches

Blue Jay Tail

Van Dieman's - Natura Dualis Underflow Dual Tone Fountain Pen Ink Encore also known as the blueUnderflow Natura Dualis Collection The Natura Dualis collection by Van Diemans brings together moments in nature where contrast and harmony coexist. Each ink is formulated not only for visual beauty, but for movement dual and multi shading behaviour, halos, colour splits, and rivering that reflect the changing character of the natural world. Like dawn breaking over land, or water surging beneath stillness, these inks never show just one face.