Opus 88 Koloro light blue calligraphy and the ring on the

and the ring on the fill button

just like the Kaweco Sport series for example

while the gold starts to shine

and can be interchanged

Opus 88 Koloro light blue calligraphy and the ring on theEquipped with eyedropper filling system and center bar to regulate the ink flow. This is usually only available on high end eyedropper fountain pens. The pen can be filled with the included eyedropper and holds 2ml of ink. The Omar pen can be used posted, but it makes the pen very long as it posts rather high. Posting this pen is not recommended. Opus 88 has been manufacturing pens for many companies and decided to use the gained experience by