This is my Mercury Pocket Pen that easily fits into the breast pocket or notepad pen loop. This pen is designed to accept standard international cartridges or can be eye-droppered.

Material: Mazzuchelli Cebloplast and NYH 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
• 120mm capped length
• 111mm uncapped length 
• Approximately 150mm posted
• Uses Jovo #5 Nib Housing, Feed and Nib
• Ships with converter
  
• Priced with Jovo Nib (EF, F, M, B, 1.1)