An early 19th century hardstone and diamond cameo brooch,

An early 19th century hardstone and diamond cameo brooch, the bezel set sardonyx cameo depicting Harpocrates holding a fluted cornucopia cradled in his left arm and with his right hand held to his lips, with a frame of old mine-cut diamonds in clawed collets, mounted in silver and gold, circa 1800, approximately 2.5 x 1.7cmProperty from the estate of the late David Cornwell, best-known as the author John Le CarréCondition Report: Gross weight 5.59g.The right hand of Harpocrates is chipped.Cameo possibly earlier than the mounting.