A hardstone cameo and peridot necklace, early 19th century composite, the front set with three agate
A hardstone cameo and peridot necklace, early 19th century composite, the front set with three agate cameos depicting two bacchantes and Achilles/Alexander the Great, one depicting Neptune's chariot to the reverse, connected to two fine gold chains and three links set with step-cut and pear-shaped peridots, to an engraved gold clasp, length 40cm