Vintage Signed Sherman Dark Amethyst Purple Rhinestone Screw back Earrings

An elegant pair of screw back earrings. Each earring features three purple stones: two pear-shaped and one round. The metal appears to be rhodium-toned. The stones are securely set. The screw back mechanism is functional. Dimensions are approximately 3/4 inch in length. No damage or missing stones, overall very good vintage condition..