Arcus Artisan Fountain Pen Ink Sample (3ml)Our expertise extends beyond simply mixing colors. We possess an intimate understanding of pigment properties: We have detailed knowledge of pigments regarding their lightfastness properties and flow behavior as well as their interaction with various mediums. This knowledge, honed through years of experience in the paint industry, forms the bedrock of our newest endeavor: fountain pen inks. The classic size for fountain pen inks. Great for stocking