100% Authentic Tiffany & Co. Elsa Peretti Open Cross Intinity Necklace in Sterling Silver. Medium Size, approx an inch and a half. The chain measures 16” The cross hangs on a cable chain with a lobster closure. The necklace is a part of the Tiffany & Co. Elsa Peretti collection. I do not have the Tiffany bag or box that it came in. I’ve had this piece for about 16 years.