Vintage Butterfly Brooch with Intricate Filigree Design

Gorgeous circa 1930-1940s brooch, possibly Czech or Bohemian. Butterfly is pressed into glass and then painted from back, intaglio style. Some have called it Goofus Glass, but that term is usually reserved for glassware. Background is cream iridescent, butterfly painted in copper tones. Filigree frame is silvertone and does not take a magnet. Simple C clasp. A rare find. butterfly, intaglio, copper, silver, Filigree, Czech, Bohemian, goofus glass, c clasp, rare, unusual, unique, hard to find, 40s, 30s.