A WHITE JADE 'BEAST MASK-FORM' BIANZHONGQING DYNASTY (1644-1911)Jade H 14.7 cm (5 3/4 in) Total H 16.7 cm (6 5/8 in)Provenance: American Ralph M. Chait GalleriesRESERVE: HK$ 55,000 / RMB 44,000