Kodak Souveran M400 fountain pen in blue and black Stresemann stripes. This pen features a differential piston filling system. It has a hand-finished 14ct 585 bi-color gold rhodium nib. Crafted with brass components, a diamond-ground barrel, and gold-plated brass trim. This precision instrument offers high quality. Approximate dimensions include a capped length of 125mm, barrel diameter of 11.5mm, and a weight of 16gms.