Robert Oster Inks

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 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 ...

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 - 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 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 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 NYC.USA takes it to the blue skies of new york city with dark blue shading!