A GEORGE III GILTWOOD MIRROR, CIRCA 1760, The two central plates within a giltwood frame and with foliate-carved dividing bar, bordered by marginal plates and within a pierced foliate, rockwork, shell and 'C'-scroll carved surround, surmounted by a mirrored confronting 'C'-scroll and rockwork-carved cresting, re-gilt, 71 x 36 in. (180.5 x 91.5 cm.)