Catherine Popesco Silver Plated Round Filigree Pacific Blue and Teal Swarovski Crystals Pendant Necklace, 16+2" Extender "Old Silver" is a traditional French method of plating, laying silver-plated over a copper base. We use Swarovski crystal, the finest Austrian crystal available. Silver Filigree Pendant accented by Swarovski crystals Vintage style and Old finish Made in France and designed by Catherine Popesco for La Vie Parisienne