Robert Oster Signature Ink - Viola 50ml TWSBI Diamond 50 Ink Bottles This knowledge trickles down into

This knowledge trickles down into every product TWSBI has to offer

A classic blue with silver plate hightlights version of the Pelikan Souveran K400 ballpoint pen

Elaborate and iconic cellulose acetate semi translucent black sleeve

or even brief journal entries

Robert Oster Signature Ink - Viola 50ml TWSBI Diamond 50 Ink Bottles This knowledge trickles down intoRobert Oster Viola is a bright spring purple fountain pen ink with medium shading. It dries in 15 seconds in a medium nib on Rhodia and has an average flow. Robert Oster Inks An iconic Aussie product within just months of its first appearance. A world leader in its category. And a well behaved, colourful choice for all. Think Australia think Robert Oster. Indeed it is A drink for your pen The contents? Robert Oster Signature Fountain Pen Inks are non