The Opus 88 Koloro Pink Fountain Pen is a specific model of fountain pen manufactured by Opus 88, a well-known Taiwanese pen brand. The "Koloro" line of fountain pens is...
The Opus 88 Koloro White/Blue Fountain pen is a specific model of fountain pen manufactured by Opus 88, a well-known Taiwanese pen brand. The "Koloro" line of fountain pens is...
