This is a vintage mid-century sterling silver & Japanese akoya saltwater cultured pearl tie bar.
The pearl is 6.50mm round. It has great luster with bright rosy overtones.
The setting is made of solid silver. Stamped “SILVER” which is an older mark for sterling silver. It is from mid-Century Japan. Total length is 1 1/2 inch.
All pearls are truly vintage and have only been lightly cleaned. Could use a polish if desired.