Vintage Japanese Saltwater Cultured Akoya Pearl Bypass Ring- Sterling Silver Sz 5 1/2This is a unique mid century modern Japanese saltwater akoya cultured pearl bypass ring. The pearls are 7. 75mm round. They have soft luster with rosy overtones. They are a white pink color. They are surrounded by large prongs and cutouts under the gallery. It is set in solid sterling silver. It is stamped "SILVER" for sterling. Total is a US size 5 1 2. From Japan 1950 1960's. All pearls are truly vintage and have only been lightly cleaned.