“Kyoto Cellulose Acetate" - Mercury Convertible Fountain Pen / Rollerball with clip

This is a slightly longer version of my Mercury Pocket Pen, designed to fit a standard International Converter or long International Cartridge. Material: Kyoto Cellulose Acetate with NYH Black Ebonite NOTE: This pen can also be optionally delivered with a Schmidt Rollerball Option in 0.5 or 0.7 that takes standard International cartridges. Fountain Pen Technology / Cartridge-Rollerball-System - schmidttechnology.de This option is a Rollerball nib that is interchangeable with the Fountain Pen nib. Addition of the Rollerball nib when a Fountain Pen section has been ordered is $10. 11mm cap threads 135mm capped length 125mm uncapped length  Approximately 160mm posted Uses Jovo #5 Nib Housing, Feed and Nib Ships with converter Priced with Jovo Steel Nib (EF, F, M, B, 1.1)