Xezo Maestro Fountain Pen, Fine Nib. Solid 925 Sterling Silver and Tahitian Black Mother of Pearl with 18 Karat Gold Plating. Handcrafted, Limited Edition, SerializedSet comes with the pen, a gift box, 4 refills, a piston converter, a certificate, and a 3 year warranty card Fine nib fountain pen. Screw cap with push posting. Hallmarked solid 925 sterling silver lower barrel, with 18K gold and pure platinum plated brass fittings Hand inlaid, hand polished natural oceanic Tahitian black mother of pearl on the cap The fountain refill is a standard international size and is compatible with a wide variety of