Art Deco Era Convertible Rhinestone Dress Clip, estimated from the 1930's. 

This unique clip separates into two pieces and can be worn separately or together as a brooch or pin. 

Used and previously owned vintage condition. Some stones appear to have been replaced, showing slight color variation, but all are present. 

Markings on back of clip: PAT 20669, PAT 2045385, maker unknown.

3.25" long x 1.25" wide