A very three dimensional brooch on gold plate decorated with clear, red and blue rhinestones and highlighted with green enamel.
Pictured on page 97 of Inside the Jewelry Box A Collector's Guide to Costume Jewelry by Ann Mitchell Pitman. Published 2004. Brooch is a part of a parure. "Joseph Mazer Parure included hinged bangle bracelet, earrings and brooch all gold plated."
One small rhinestone missing (see pic)