A LARGE MOTTLED SEMI-OPAQUE PALE OLIVE AND BUFF JADE DISC, BI

A LARGE MOTTLED SEMI-OPAQUE PALE OLIVE AND BUFF JADE DISC, BI
LATE NEOLITHIC PERIOD, NORTHWEST CHINA, CIRCA 2000 BC
Of slightly irregular thickness and retaining the original cutting marks on both sides, the central hole drilled from one side, the stone now semi-opaque and of pale olive tone with opaque buff areas and russet markings and veins
10 13/16 in. (27.5 cm.) diam.