Natural, pure, nacreous mother of pearl, an iridescent gift from the ocean. The Laban Mother of Pearl, which is known as a protection stone and a stress-relieving stone, brings you the power of the sea. ABOUT PEN BARREL The materials of a MOP fountain pen are the true natural mother of pearl and resin lacquer. It is a harmonious and balanced pen as if there is a tiny universe in hand. The MOP pens are slightly heavier than other pens, which set off the prudence and quietness of writing. ABOUT PEN NIB Iridium point steel nib embossed Laban logo. German-made. CAP, CAP-TOP & CLIP CAP It is Mother of pearl shell and resin lacquer and adorned with a silver-coating clip and cap-top medallion. Cap band engraved Laban logo.