This is a large high quality branch style brooch made of numerous Japanese saltwater akoya cultured pearls.

The pearls are lustrous and measure 4.50-6.00mm round. They have rosy pink overtones.

It is made of solid sterling silver and is a branch or spray design which is quite large. It is stamped "SILVER" which is an older mark for sterling. It measures 2 5/8 inches long. From Japan 1950's-1960's. 

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