A JADE AND HARDSTONE EMBELLISHED REPOUSSE GILT-METAL MIRRORSQUARE JADE PLAQUE: JIN-YUAN DYNASTY (1115-1368); JADE BELT HOOK: QING DYNASTY, 18TH-19TH CENTURYThe white jade plaque is of rectangular section, carved in openwork with two mandarin ducks wading through tall stems of lotus leaves and flowers, mounted in a repousse metal hand mirror frame inset with hardstones, and a carved white jade ‘dragon’ belt buckle as handle.Overall: 7 3/4 in. (19.7 cm.) longSquare jade plaque: 2 1/4 in. (5.6 cm.) wide