A Wonderful Antique Gold Heart Lock Necklace Victorian 19th Century. This lovely antique necklace is composed of antique gold filled. The pendant is in the form of a wonderful Victorian puffy heart lock that measures about 1 1/4 inches long by about 7/8 inch wide. It comes with the vintage chain as shown that measures about 18 inches long. This pendant dates to the Victorian Era and is in lovely vintage condition.