Platinum 3776 Celluloid Calico - Fountain PenDistinctively marbled in black and yellow, the Platinum Celluloid Calico fountain pen comes in gold trim. The Platinum Celluloid Calico is both a terrific everyday writer and one of the better bargains available in the world of quality fountain pens you won't find a quality celluloid pen at a lower price. This durable and well designed pen can be filled with bottled fountain pen ink using the provided converter, and can also use Platinum brand ink