50ml Signature Inks

The Robert Oster Signature Ink Muddy Wine colour is a Coonawarra wine color. May exhibit a dark golden sheen surrounded by rich grape skin shading.

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

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 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 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 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 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 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 ...

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

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...

Robert Oster Australian Opal Mauve is a blue-purple fountain pen ink with low shading. It dries in 25 seconds in a medium nib on Rhodia. Robert Ost...

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...

'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...

Robert Oster Vine Leaf is a bright spring green fountain pen ink with medium shading. It dries in 20 seconds in a medium nib on Rhodia and has an a...

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 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 Orange Rumble is a dark, '70’s-inspired orange fountain pen ink with medium shading. It dries in 50 seconds in a medium nib on Rhodia ...

Robert Oster Dark Chocolate is a dark purple-brown fountain pen ink with medium shading and low copper sheen. It dries in 30 seconds in a medium ni...

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...