Vintage 40s Charles Horner Cameo Brooch

Vintage old "Dorcasine" cameo brooch,circa 30s-40s, based on the research, it is attributed to Charles Horner and featured in a few jewelry books, the cameo depicts a Greek God, the cameo is carved out of early plastic - casein and set in gold tone metal bezel, closes on a C-clasp, the metal appears to be unmarked, a rare find and a collectible jewelry piece!