This is a lovely blue & white Japanese akoya saltwater cultured pearl cadged bracelet. 

The pearls are 4.25-7.00mm round. They have nice luster with rosy overtones. They range from a white to cream to blue/gray in color. 

It is set in solid sterling silver and is stamped "S" in a square which is an older mark for sterling. Total length is 8 inch.

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