This imaginative Mid-20th Century Gucci key chain consists of a large gold key ring from which is suspended a length of round Cobra Link chain holding a large natural rock crystal, frosted, reptilian pattern heart. The heart measures almost 1 3/8 inches by 1 1/4 inches and is set in a gold bezel. Stamped markings are GUCCI 18K, Italy and 750. Gross weight 26.80 grams.