Catherine Popesco Silver Plated Circle Swarovski Crystal Dangle Earrings These "Old Silver" plated finish (over copper base) circle design dangle earrings are accented with Clear Black crystals. They hang approximately 1 3/4 inches long and are 3/4 of an inch in width. Lever-back earring backing. "Old Silver" is a traditional French method of plating, laying silver-plated over a copper base. Made in France and designed by Catherine Popesco for La Vie Parisienne