Atomic Vintage Burst Japanese Saltwater Akoya Cultured Pearl MCM Brooch- Sterling Silver

This is a lovely vintage mid-century atomic style Japanese akoya saltwater cultured pearl brooch. It features pearls that measure from 3.75-6.50mm. They have good luster with bright rosy pink overtones. It is in solid sterling silver and is stamped "STERLING" for sterling silver. It measures 2 inch across. All pearls are truly vintage and have only been lightly cleaned.