OPUS 88 Demonstrator Yellow (2021) Special Edition Fountain Pen Steel 1.5 Stub Nib

This is a pre-owned yet pristine OPUS 88 Demonstrator Yellow (2021) Special Edition Fountain Pen with a Steel 1.5 Stub Nib.  No box.

The OPUS 88 Demonstrator Yellow captures the essence of precision engineering in a striking transparent design. This 2021 special edition showcases the pen's internal mechanics through its crystal-clear barrel, revealing the precision of every component as ink flows to paper. Fitted with a robust steel 1.5mm stub nib, this pen delivers bold, expressive line variation ideal for calligraphy, hand lettering, and distinctive everyday writing. The stub width creates sharp horizontal strokes and delicate verticals, perfect for those seeking character in their penmanship. The vibrant yellow demonstrator body makes this a collector's piece—a functional work of art that performs as beautifully as it looks. Whether you're a fountain pen enthusiast or exploring stub nibs for the first time, the OPUS 88 combines excellent craftsmanship with visual appeal.