Dating back to a small boutique in Paris in 1700, Herbin Fountain Pen Ink is one of the best in the world, both in smoothness of writing and breadth and brilliance of colour palette. Paying homage to the seafaring tradition of Herbin, Rouille d' Ancre is a vintage pink ink with a full spectrum of shading. It appears soft on bright white paper, and takes on a maturity and warmth on nice ivory stock. It is recommended for broad nibs All Herbin inks are pH neutral and non-toxic. They are water-based and therefore will run if wetted. The inks are light fast and only natural dyes are used. We recommend high quality paper with Herbin Ink.