Pink gold 750 ‰ oval brooch holding in the center an agate cameo decorated with an antique feminine profile. Mounting adorned with a double twist, one with black enamel fillet and alternating spandrels set with fine demi-pearls and bordered by a black enamel fillet French work, mid-19th century PB. 27.06 g - D. 4 x 5.5 cm (metal hinge pin)