Ballpoint pen with twist mechanism. Gold-plated rings and clip. Barrel and cap of black precious resin. Black resin cap with white Montblanc star. Also known as Montblanc 10883. Serial number on the gold ring located on the top as well as the words “GERMANY” The words. MEISTERSTUCK MONTBLANC located on the middle ring of the barrel. Meisterstuck Black Ballpoint Pen 164 10883.