This is an engraved vintage mid-century sterling silver & Japanese akoya saltwater cultured pearl tie bar.

The pearl is 6.25mm round. It has fantastic luster with bright rosy overtones.

The setting is made of solid silver and features a clover design. Stamped "STERLING" for sterling silver. It is from mid-Century Japan. Total length is 1 7/8 inch. 

All pearls are truly vintage and have only been lightly cleaned.