Catherine Popesco Silver Plated Pacific Blue Swarovski Crystal Drop Necklace, 16+2" Extender "Old Silver" is a traditional French method of plating, laying sterling silver over a copper base. We use Swarovski crystal, the finest Austrian crystal available. 16 inches with an additional 2 inch extender 1/2 of an inch faceted square Pacific Blue crystal drop Made in France and designed by Catherine Popesco for La Vie Parisienne