Original by Robert Victorian revival goldtone jet black glass pendant / brooch

This stunning circa 1960s Victorian revival piece can be worn as a pendant or a brooch. It features polished jet black glass stones and marcasites set in an intricate blackened gold tone filigree setting. Signed "Original by @ Robert" on reverse. This dimensional pendant / brooch is in exceptional vintage condition. All stones / marcasites are present, there is no plate loss, the clasp functions perfectly, and the brooch pin is straight. Please note small spots of verdigris on reverse near cartouche. Measurements: 1 7/8” diameter