Pelikan Souverän M400 - Blue StripeThis is the classic size and classic color, the Pelikan M400. Although just slightly smaller than the M600, many people find this pen perfect in their hand. We consider this a work horse pen, one that exhibits not only reliability and durability but a style appreciated over decades of happy users. The M400 arrives in a beautiful gift box. Nib Material: 14K Gold Filling Mechanism: Piston