This is a lovely vintage Japanese akoya saltwater cultured pearl brushed leaf cluster brooch.

The pearls are 6.00-6.75mm round. They have good luster with pink overtones.

It is made of solid sterling silver has brushed texture on the tips of all the leaves. It is stamped "SILVER" "950" which is slightly higher quality than sterling. It measures 2 inches long. From Japan 1950-1960's. 

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