A George III gold mounted blue enamel and diamond circular memorial brooch/pendant, circa 1790, centred with a glazed panel enclosing plaited hairwork, within a rose-cut diamond surround and edged with blue and white enamel border, the reverse with further glazed hairwork panel, with later engraved memorial inscription ‘Theop.s B. Costley 25th Feb.ry 1862’, suspended from a rose-cut diamond set bale, contained in original 18th century pear-shaped case, together with a William IV gold memorial brooch, the glazed panel enclosing hairwork, the reverse engraved with memorial inscription for 1827, with unassociated case, first pendant length 2.8cm. £500-700