Robert Oster Joshua Thorp ink bottle, Ocean Moonlight, 50ml

Robert Oster Joshua Thorp Ink Collection

Created in collaboration with South Australian ink maker Robert Oster, the Joshua Thorp Collection celebrates a shared love of fine writing, thoughtful colour, and the art of penmanship. Each ink in this series is designed with care to evoke mood, place, and story — from quiet moments at the desk to the vibrant life of Adelaide and beyond.

Crafted in South Australia, these inks offer smooth flow, beautiful shading, and distinctive character, making them a natural choice for writers, collectors, and anyone who treasures the experience of putting pen to paper.

A drink for your pen.

The Remarkable Robert Oster

Robert Oster is a South Australian colour creator whose inks reflect his passion, creativity, and deep connection to the Australian landscape. His colours are known worldwide for their beautiful shading, reliability, and expressive character on the page.

Robert Oster Signature Inks are handmade in Australia, inspired by the colours of the continent. They are presented in recyclable 50ml PET bottles, manufactured in Australia's first carbon neutral plastics plant. All Robert Oster inks are 100% Australian made and non-toxic, created with care for both the writer and the environment.

Based in South Australia, the same state as Pencraft, Robert Oster’s work continues to inspire writers, artists, and collectors around the world.