Antique Hardstone Cameo and Gold Brooch, Circa 1875

An antique cameo brooch, with a hardstone sardonyx cameo of a lady, with a Roman hairstyle, on a brown background, in a double row gold frame, with a rub over setting, a twisted chain and engraved, stamped foliate surround. There is a loop at the back so the brooch can be worn as a pendant, circa 1875.