Powerful Montblanc Masterpiece No. 30 fountain pen. In good condition with normal Wear of use. Beautiful age-related patina on the surface. Cap marked 4810 MONTBLANC MASTERPIECE. The body marked SIMPLO ORIGINAL MONTBLANC. The nib is marked 4810 M and 14C (14 carat gold). Bottom screw labeled 30 and EF. The big star is Ivory White ! 13½ cm long. Do not Work. Need a new rubbersack.