This is a lovely triple Japanese saltwater akoya cultured pearl engraved leaf pin.

The pearls are 6.00-6.25mm round. They have great luster with bright rosy pink overtones. 

It is made of solid sterling silver. It has a simple double leaf design with hand engraving and milgrain accents. It is stamped "STERLING" for sterling silver. It measures 1 1/2 inches long. From Japan 1950's-1970's.  

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