Vintage Oval Copper Aventurine Glass with Micromosaic Floral Inlay Brooch

gorgeous oval shaped vintage brooch which has tiny bits of glass arranged into a floral micromosaic design which is inlayed into a solid sparkly copper piece of goldstone glass a gold tone frame surrounds the cabochon the pin is a vintage style roll clasp there are no identifying marks, but I would bet that this is Italian there is some patina on the frame and the pin as well as a bit of verdigris on the glass ~ otherwise this brooch is in great vintage condition measures approx 1.75" wide, approx 1.5" tall