50ml Signature Inks

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 Burgundy is a medium burgundy red fountain pen ink with low shading. This burgundy ink is a lighter shade than most inks that bear the...

Robert Oster Brandy is a part of the Robert Oster Signature Inks Line and is handmade in Australia. This rich brown colour is deep but has some gre...

Robert Oster Santa's Hangover Ink is a beautiful, soft, muted red with pink undertones. It's not a bright fire truck red because Santa is hungover ...

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 ...

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...