Opus 88 Demonstrator - Clear

The Opus 88 Demonstrator fountain pen is a distinctive, thoughtfully engineered writing instrument designed for those who appreciate both form and function. This large, non-postable pen features a true eyedropper filling system paired with a piston-operated shut-off valve, offering exceptional ink capacity and added security. Its striking combination of frosted and clear resin creates a clean, modern aesthetic that stands out, complemented by a sleek black clip and a silver stainless steel #6 JoWo nib for smooth, reliable writing. A glass eyedropper is included for easy filling with your favorite ink.

An ebonite piston and rubber gasket seal the feed from the barrel when fully closed, helping to prevent leakage and ink burping during travel or storage. To write, simply unscrew the blind cap and slightly loosen the rear rod to open ink flow to the feed; for extended writing sessions, leaving the valve open allows you to take full advantage of the pen’s impressive ink capacity. The fully clear body lets you easily monitor ink levels and view the nib even while capped.

Note: JoWo is transitioning from the traditional scroll nib design to a simpler engraving. Current stock may include either style, and the nib received may differ from photos shown.

Color: Clear

Trim: Black

Filling System: Eyedropper

Nib: Extra Fine, Fine, Medium, Broad or Stub 1.5

Nib Material: Steel