50ml Signature Inks

Robert Oster Light Green is a spring-y light green fountain pen ink with medium shading. It dries in 15 seconds in a medium nib on Rhodia and has a...

Robert Oster Frankly Scarlet is a deep desaturated red fountain pen ink with low shading. It dries in 30 seconds in a medium nib on Rhodia and has ...

Robert Oster Whisper Red from the 1980’s collection is a dusky pastel red fountain pen ink with medium shading. It dries in 40 seconds in a medium ...