50ml Signature Inks

Robert Oster Black is Black is a desaturated black fountain pen ink with low shading and a pop of black sheen in large swabs. It dries in 20 second...

Robert Oster Australian Opal Grey is a pale grey fountain pen ink with a slight purple undertone, medium shading, and a pop of copper sheen in larg...

Robert Oster Aqua is a beautiful blue-teal fountain pen ink with high shading and medium pink sheen. It dries in 30 seconds in a medium nib on Rhod...

Ten Dollar Green by Robert Oster. Let your jottings become creative expressions with this impressive Signature fountain pen ink. Robert Oster Signa...

This color is a smokey denim blue, almost a dark teal, that takes on a lot of different colors in its shading. It can even sheen with a bit of rose...

Robert Oster Muddy Sand from the Mudpack collection is a medium sandy brown ink in a medium shade.

The "clean and clear" Australis Hydra is a beautiful steel blue, representing mythical creatures or Greek islands. But - Australia - probably jelly...

Robert Oster Turquoise is a medium blue green fountain pen ink with medium shading and medium pink sheen. It dries in 20 seconds in a medium nib on...

Robert Oster Torquay is a bright medium turquoise fountain pen ink with medium shading and low pink sheen. It dries in 25 seconds in a medium nib o...

Robert Oster Terracotta is a medium orange fountain pen ink with medium shading. It dries in 30 seconds in a medium nib on Rhodia and has an averag...

Robert Oster Spearmint is a dark green fountain pen ink with medium shading and medium pink sheen. It dries in 25 seconds in a medium nib on Rhodia...

Robert Oster Rubine is a vibrant medium red fountain pen ink with medium shading and low brown sheen. It dries in 25 seconds in a medium nib on Rho...

Robert Oster Maroon 1789 is a dark maroon red fountain pen ink with medium shading and low black sheen. It dries in 40 seconds in a medium nib on R...

Robert Oster Grun Schwarz (Green-Black) is a dark green fountain pen ink with medium shading and low black sheen. It dries in 15 seconds in a mediu...

Robert Oster GoGo is a medium, cool-toned purple fountain pen ink with low shading and a pop of gold sheen in large swabs. It dries in 10 seconds i...

Robert Oster Clay Red is a dark red fountain pen ink with medium shading and brown sheen in large swabs. It dries in 30 seconds in a medium nib on ...

Robert Oster Claret is an desaturated red-violet fountain pen ink with medium shading. It dries in 35 seconds in a medium nib on Rhodia and has an ...

Robert Oster Astorquiza Rot is a rich dark red fountain pen ink with medium shading and low bronze sheen. It dries in 45 seconds in a medium nib on...

Ten Dollar Gold by Robert Oster. Let your jottings become creative expressions with this impressive Signature fountain pen ink. Robert Oster Signat...

  Robert Oster Inner's Dream from the Shake N Shimmy collection is a fountain pen ink with low shading and shimmer. It dries in 50 seconds in a med...

Robert Oster Sinner’s Heart is a grayish-purple fountain pen ink with dark shades and comes in a bottle of 50ml. Robert Oster Inks  An iconic A...

Robert Oster Sinner’s Weed is a deep green fountain pen ink and comes in a bottle of 50ml. Robert Oster Inks  An iconic Aussie product within jus...

'Big and strong' Australis Oak is a warm and welcoming golden brown, just like the oak trees themselves. Robert Oster Inks An iconic Aussie produ...

Robert Oster Purple Jazz, formerly known as Purple Soul, is a dark blue-violet fountain pen ink with medium shading and a pop of red sheen in large...