Vintage Intaglio Reverse Left Facing Cameo Black Faceted Glass Brooch Gold Tone

Beautiful unmarked brooch. Black glass with the cameo cut into the front of the faceted glass. Intaglio style. gold tone frame. In good condition, only 2 tiny spots of verdigris, one on front and one on the back, (pictured) Please see photos for details and condition. Approximate Measurements: Diameter- 1 3/8 in Ships from a smoke-free home. Open to questions and clarifications. Thanks for looking! ☺️