GEORGES BISSINGER - 1860S CARNELIAN AND DIAMOND CAMEO BROOCH Oval shape, decorated with a portrait of a woman on two layers of carnelian. Surrounded by very small rose-cut diamonds inlaid in the carnelian. Cameo signed G.BISSINGER. Mounted in 18K yellow gold. Gross weight: 9.43 g. Dimensions: 3.5 x 2.7 cm. A carnelian, diamond and 18k yellow gold cameo brooch by Georges Bissinger, circa 1860. Cameo is signed G.Bissinger. Gross weight : 9,43 gr. Dimensions : 3,5 x 2,7 cm.