Vintage Filagree Glass Mourning Cameo Brooch

Vintage Glass High Relief Mourning Filagree Cameo. Black with gold tone left facing woman surrounded by intricate filagree design. Can be worn as a pin, but also have a loop for it to be worn as a pendant on a necklace. Gold tone appears to be over silver, as some is rubbing off exposing the metal underneath. Metal is unmarked and untested. Approximately 2” in size.