About This Pen: This Montblanc Meisterstuck Classique M145P Pen has a fountain pen with piston converter writing system. It features a black precious resin barrel, complemented by a cap that is also made of black precious resin inlaid with a Montblanc emblem. Both clip and fittings are platinum-plated. The three platinum-plated rings on the cap is embossed with the Montblanc brand name. The nib is made out of 14K gold rhodium-plated inlay and is hand-crafted by Montblanc. The following Nib Width are available: Identification No. Nib Widths02857 – 106520 EF02858 – 106521 F02859 – 106522 M02860 – 106523 B02861 – 106524 BB02862 – 106525 OM02863 – 106526 OB02864 – 106527 OBB