50ml Signature Inks

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 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 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...

Robert Oster Green Olive is a deep yellow fountain pen ink with medium shading. It dries in 40 seconds in a medium nib on Rhodia and has an average...

Robert Oster Evening Sapphire is a medium dusky blue fountain pen ink with medium shading and a pop of pink sheen in large swabs. It dries in 30 se...

Robert Oster Carbon Fire is a pretty dark blue fountain pen ink with medium shading and medium pink sheen. It dries in 30 seconds in a medium nib o...

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

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

Robert Oster Sushi is a medium warm-tone pink fountain pen ink with low shading. It dries in 15 seconds in a medium nib on Rhodia and has an averag...

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 Plumb Nut is a dusky pink fountain pen ink with low shading. It dries in 30 seconds in a medium nib on Rhodia and has an average flow....

Robert Oster Midnight Sapphire is a dark blue, almost a blue-black fountain pen ink with medium shading and a pop of pink sheen in large swabs. It ...

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 Frankly Blue is a medium blue fountain pen ink with a slight green undertone, medium shading, and medium sheen. It dries in 30 second...

Robert Oster Forest Green is a medium earthy green fountain pen ink with medium shading. It dries in 40 seconds in a medium nib on Rhodia and has a...

Robert Oster Blue Denim is a medium blue fountain pen ink with a green undertone, medium shading, and medium pink sheen. It dries in 30 seconds in ...

Robert Oster Bass Straight from the 1980’s collection is a dusky, medium blue fountain pen ink with high shading and a pop of pink in large swabs. ...

Robert Oster Australian Opal Blue is a pale, spring blue fountain pen ink with low shading. It dries in 20 seconds in a medium nib on Rhodia and ha...

Robert Oster Blue Martini is a part of the Robert Oster Signature Inks Line and is handmade in Australia. This rich blue colour is deep but has som...

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...

A fiery pastel Golden Orange Fire that trails away in homage to the Sun and meets the page in sympathy. Robert Oster Inks     An iconic Aussie prod...

The Robert Oster Signature Ink Muddy Dragon colour is a Muddy dragon that breathes golden fire with green-gold and dark chocolate shading.

'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 - Kids On The Block This is a blue first released in UK for a school kids event organized by Bernardo Gomes of Fountain Pen UK Facebo...