This is a cute vintage art nouveau sterling silver & abalone blister pearl oval ring.

The blister pearl features a range of colors and measures 20x14mm. It is set into a detailed setting with a floral leaf motif.

It is set in solid sterling silver and is stamped "STERLING". It is a size 8.50 US. From the early 1900's. 

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