Stunning Aqua and Aurora Borealis Vintage Rhinestone Brooch

The unfoiled oval glass stones, in a gorgeous shade of aqua,  are set with open backs to allow maximum lighting. The smaller surrounding stones are a pastel blue/aqua with Aurora Borealis finish. The piece measures 2" across and 1 3/4" high. No markings or signature. Estimated Czech, circa 1930's. Sturdy construction; clasp in fine working order; overall lovely condition.