This is a lovely mid-century modern Japanese akoya saltwater cultured pearl double strand bracelet. 

The pearls are 6.50-7.00mm and round to semi-baroque. They have good luster with rosy overtones. They have a medium amount of natural blemishes.

It is set in solid sterling silver and is stamped "925". The clasp is a round box style with a mid-century circular design. Total length is 7 1/4 inch. From around 1940's-1960's Japan.

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