Shown here Montblanc Meisterstück Platinum-Coated LeGrand Rollerball pen.
This is the larger model which most writers prefer.
It is in superb condition. You have to unscrew the top part in order to expose the writing tip.
Barrel is black precious resin. Cap is black precious resin inlaid with Montblanc emblem.
Platinum-coated clip with individual serial number MBNH55988 engraved on the side and the underside has MADE IN GERMANY and METAL stamped into it.
The clip is 15.5 mm in diameter at the ring which has MONTBLANC - MEISTERSTUCK engraved into it.
Montblanc Meisterstück Platinum-Coated LeGrand Rollerball