Robert Oster bottle ink, Sinner's Poison, 50ml black accents Each label has been personally

Each label has been personally swatched by Robert Oster himself

16 perforated sheets and an expandable inner pocket

and collectors around the world

If you want to own a little bit of design history and perfection

Ballpoint design with retractable twist mechanism and medium tip for smooth writing

Robert Oster bottle ink, Sinner's Poison, 50ml black accents Each label has been personallyRobert Oster Signature Ink Sinner's Poison Sinner's Poison is a colour that draws you in with its dark allure and striking presence. Deep, cool and mysterious, it moves between shadowed greens and inky teal tones, revealing a quiet intensity as it dries. There is a controlled drama to this ink, a sense of something potent beneath the surface, making it an unforgettable shade on the page. Crafted in South Australia, Sinner's Poison offers the smooth