This is a large lustrous Japanese akoya saltwater cultured pearl brooch that takes the shape of a dove or abstract bird figure.

The pearls are highly lustrous and measure 5.75-6.75mm and have bright rosy pink overtones.

It is made of solid sterling silver and has a modernist design. It is stamped "STERLING" for sterling silver. It measures 2 7/8 inches long. From Japan, 1950's-1980's. 

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