Robert Oster Ink, 50ml - Black Violet retiring soon this filler makes retrieving ink

this filler makes retrieving ink from the bottle straight into the converter easy and convenient

With an A5 Square format and a unique long

it features a polished steel nib

aerospace-grade material

Smooth paper providing the right amount of feedback for fountain pen users

Robert Oster Ink, 50ml - Black Violet retiring soon this filler makes retrieving inkRobert 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