Opus 88
Opus 88 is a stationery brand from Taiwan. 2 guides to Opus 88 products.
Opus 88 guides and roundups
Opus 88 Koloro: Ebonite Eyedropper, Size & Filling
Opus 88 Koloro fountain pen explained: a 142 mm, 23.5 g ebonite-and-acrylic eyedropper with a shut-off valve and JoWo #5 nib, how to fill it, and its price.
Opus 88 Jazz: Eyedropper Pen, Shut-Off Valve & Size
Opus 88 Jazz fountain pen explained: a Taiwanese eyedropper with a shut-off valve, how to fill it, ink capacity, size and weight, posting, nib and Taiwan price.