This is a stunning vintage art nouveau style floral branch Japanese akoya saltwater cultured pearl brooch with hand engraved leaves.  

The pearls measure between 4.50-5.50mm. They have great luster with bright rosy overtones. Very slightly baroque. 

It is made of solid sterling silver and has a unique design. It measures 1 1/4 inches long. Not stamped but tested solid silver.

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