Robert Oster Ink, 50ml - Black Violet 6B The result is a matte

The result is a matte

Housed in Wearingeul’s 30ml glass bottle

Now sold under "Blue-Grey" name

Bottled in a compact 30 ml glass vial

Available in EF

Robert Oster Ink, 50ml - Black Violet 6B The result is a matteRobert Oster Black Violet is a premium fountain pen ink known for its deep, richly saturated hue and dependable performance. This dark violet leaning black offers subtle depth and a touch of colour complexity while remaining highly legible, making it suitable for everyday writing, journaling, note taking, and creative projects. Formulated for smooth, consistent flow with minimal feathering, it performs well on fountain pen friendly paper across a