These vintage Coro screw-back knot earrings are a beautiful addition to any jewelry collection. Made of 12K yellow gold-filled metal, these earrings feature a classic tie knot design with a round pearl main stone set in a prong setting. The screw back closure ensures secure wear, ideal for women with a retro era style. These original earrings are signed by the renowned brand Coro and are a timeless piece of fashion jewelry.