Lot 5010. A yellowish-green and brown jade disc, huan, probably Shang dynasty (c.1600-1046 BCE); 13.3 cm, 5 1/4 in. Estimate 100,000 — 150,000 HKD. Sold for 175,000 HKD (20,706 EUR) . Courtesy Sotheby's. of circular form with a central aperture, the stone...