Baroque Blue Triple Japanese Akoya Saltwater Cultured Pearl Screwback Earrings- Sterling SilverThis is a lovely pair of triple blue gray Japanese akoya saltwater cultured pearl screwback earrings. The pearls measure 6. 50 7. 00mm and are a blue gray color. They have fantastic luster with rosy overtones. They are a baroque shape. They are set in solid sterling silver and stamped "STERLING" for sterling silver. Total length is 5 8 Inch. From 1930's 1980's. All pearls are truly vintage and have only been lightly cleaned.