Vert de Gris:the originality of the color is based on both gray and green tones. From the corrosion of copper, greyish combines with both light and dark colors for a rendering of both soft and deep writing.
An ink bottle for fountain pens 30 ml and everyday use by J.Herbin
These inks have been specially designed for use with fountain pens
They are made of water, moisturizing agents to avoid drying out in the feather, and preservatives that guarantee long-lasting quality of the ink.