Selling this beautiful large 18 karat gold open heart charm. It is a nice big size, measuring approximately 1 1/2 inches tall, including the bale, please see photos. The charm is stamped 750 which is the European mark for 18 karat gold. There are other hallmarks as seen in the photos, but unfortunately, I cannot identify them. 750 Mark: This standard European numeric hallmark signifies 18k gold (750 parts per thousand pure gold). The vintage tag lists the weight at 3.5 grams. The melt value of a 3.5-gram 18-karat gold pendant is approximately $365.61, based on a recent 18K gold scrap value of about $104.46 per gram. Selling this piece at a great value for current gold prices. Please no low ball offers