Jewellery, Watches and Objects of Vertu to include the personal archive of Louis Osman, goldsmith and architect

A Victorian garnet serpent pendant necklace, the pendant modelled as a serpent head set with a shaped cabochon garnet, with rose-cut diamond set eyes and nose, and coiled tail, suspending in its mouth a pendant drop set with a heart-shaped cabochon garnet within a snake-link chain surround, with glazed locket panel verso, the whole on later suspensory loop, to later snake-link chain necklace, pendant length, excluding suspensory loop, 6cm, chain length 42cm. £600-800