Robert Oster bottle ink, Australian Sky Blue, 50ml 823 while the cap and trim

while the cap and trim are made from glossy black self-polishing resin

making the M805 a distinguished choice for both daily writing and special occasions

Perfect for highlighting

Its guilloche is made of lozenges and is emblematic of vintage models

Robert Oster bottle ink, Australian Sky Blue, 50ml 823 while the cap and trimRobert Oster Signature Ink Collection Crafted in South Australia, the Robert Oster Signature Collection showcases the creators most iconic and expressive colours. Inspired by the Australian landscape, each ink is blended with care to deliver smooth flow, rich shading, and vibrant personality on the page. This flagship collection features the full spectrum of Robert Osters artistic vision from calm, earthy tones to bold, energetic hues offering writers