The Old Small Gray Pearl Marbled Fountain Pen with a Treasure Nib Pencil is a vintage writing instrument made of celluloid in the United States. The pen features a unique marbled design with a black ink color, making it a desirable collectible for pen enthusiasts. The Treasure brand adds to its charm, and the intricate nib design adds to its functionality. This untested fountain pen is sure to be a valuable addition to any pen collection.