50ml Signature Inks

Robert Oster Steely Days is a light blue fountain pen ink, medium shading, and medium pink sheen. It dries in 30 seconds in a medium nib on Rhodia ...

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

The 'fruity and long' Australis tea is a woody olive green of this special Australian tea blend. Robert Oster Inks An iconic Aussie product withi...

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 Ryde Green is a bright lime green fountain pen ink with low shading. It dries in 30 seconds in a medium nib on Rhodia and has an avera...

Robert Oster Purple Rock is a dark violet fountain pen ink with medium shading and a pop of red sheen in large swabs. It dries in 40 seconds in a m...

Robert Oster Green Diamond is a medium bright green fountain pen ink with medium shading and medium pink sheen. It dries in 25 seconds in a medium ...

Robert Oster Crimson is a dusky subdued red fountain pen ink with medium shading. It dries in 45 seconds in a medium nib on Rhodia and has an avera...

Robert Oster Blue Lagoon is a bright, turquoise blue fountain pen ink with medium shading and low pink sheen. It dries in 25 seconds in a medium ni...

The Robert Oster Elf Cap fountain pen ink is a bright, vibrant green that seems to represent exactly what most people envision when they imagine th...

Robert Oster Yellow Sunrise is a bright sunny yellow fountain pen ink with medium shading. It dries in 30 seconds in a medium nib on Rhodia and has...

Robert Oster Sublime is a bright lime green fountain pen ink with medium shading. It dries in 30 seconds in a medium nib on Rhodia and has an avera...

Robert Oster Royal Red is a light desaturated red fountain pen ink with medium shading. It dries in 35 seconds in a medium nib on Rhodia and has a ...

Robert Oster Red Orange is a warm, medium red-orange fountain pen ink with medium shading. It dries in 30 seconds in a medium nib on Rhodia and has...

Robert Oster Orange Zest is a bright red-orange fountain pen ink with medium shading and low orange sheen. It dries in 45 seconds in a medium nib o...

Robert Oster Opal Green from the 1980’s collection is a dusky, pastel green fountain pen ink with medium shading and a pop of pink sheen in large s...

Robert Oster Green Lime is a bright lime green fountain pen ink with medium shading. It dries in 20 seconds in a medium nib on Rhodia and has an av...

The Robert Oster Signature Ink NYC.USA takes it to the blue skies of new york city with dark blue shading!

The Robert Oster Signature Ink Muddy Bucket colour is based on a yellow bucket covered in muddy sand.

Robert Oster Marrone Mustard is a medium golden brown fountain pen ink with low shading. It dries in 30 seconds in a medium nib on Rhodia and has a...

Robert Oster Lipstick Red is a medium dusky red fountain pen ink with medium shading. It dries in 20 seconds in a medium nib on Rhodia and has an a...

Robert Oster Ever Green is a bright medium green fountain pen ink with medium shading and a pop of black sheen in large swabs. It dries in 15 secon...

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...