Opus 88 Koloro Fountain Pen Blue Nib Size:Medium Poseidon Green

Poseidon Green

x maple wood (painted white) x Wood from sustainable production x diameter 1

The back piston knob acts as a safety valve to prevent leaks when the pen is not in use

Whether you're designing

Elegant Evening Purple matte lacquer finish – inspired by twilight skies

Opus 88 Koloro Fountain Pen Blue Nib Size:Medium Poseidon GreenThe Opus 88 Koloro Fountain Pen in Blue brings timeless design and modern functionality together for an unmatched writing experience. Featuring a serene blue acrylic barrel paired with warm ebonite accents, this pen is as elegant as it is practical. Its eyedropper filling system offers an impressive ink capacity, perfect for long writing sessions without frequent refills. The transparent ink window allows easy monitoring, while the secure shut off