Hi, this is a Koh-I-Noor Rapidometric Technical Pen, size: #00. It appears used however, the Piston moves freely! It comes with the Pen, Cap and 2 D.C.S. compartments (1 for the Pen the other for ink and 2 Nib Keys.)  Sold As-Is. I hope you like it.

I combine shipping, just ask.