This is a beautiful Calvaire swirly brooch with large prong set emerald green rhinestones and small clear rhinestones on the curled ribbon edges. 2" tall by 2 5/8" with a sturdy safety clasp. Gold plated. Not signed but there is the same brooch with amethyst rhinestones on this site and the brooch is signed. Calvaire was open from 1920 to 1960.