Unmarked: acid tested positive for silver probably (900-925 Silver) The jump ring is sterling silver Enamel Portrait of a Couple. Total Height with the jump ring: 1.40 inches Length: 1.13 inch Weight: 5.94 grams Condition: My jeweler converted it into a pendant, originally an antique brooch. My jeweler rhodium plated the back. Some wear on the enamel. Antique Sterling Silver 925 Enamel Classical Portrait Couple Floral Flower Pendant