This is a vintage mechanical "Treasure Chest With Green Stones" 18 karat gold charm for a charm bracelet. The treasure chest opens. It weighs 11.10 grams and measures approx. 1" x 7/8", marked "750" All charms come with a split ring to attach to a bracelet. We have hundreds of charms in stock. If you don't see what you are looking for in our shop please contact us as it is likely we have it. Inventory #G2494