https://www.lillicoco.com/products/vintage-silver-heart-locket-with-adjustable-chain This sweet vintage Silver heart locket with beautiful engraved floral patterns! Available at Lillicoco.com for £145.00 ERA: Vintage MEASUREMENTS: 25.5mm long x 25mm wide x 6.5mm deep. 36mm long inc. bale. The chain is 16" or 40.5cm, and 18" or 45.5cm long. Weight: 7g, 8.9g inc. chain MATERIALS: 835 Silver HALLMARKS: "835", other hallmark unidentified