A very fine jade Cong, possibly late Liangzhu culture (circa 3,300-2,300 BC) carved with a mask at each corner with an oblong scroll-filled mouth and circular eyes below a headress of fine horizontal lines. The stone is of glossy ivory-white tone, 7.6 cm wide, 4 cm high. Provenance: Purchased in the early 90s. An old private collectoin, Sydney, Australia. 90