Lot 5123. A celadon jade 'bird' amulet, Neolithic period, Hongshan culture (c. 3800-2700 BC); 4.3 cm, 1 5/8  in. Estimate 20,000 — 30,000 HKD. Sold for 50,000 HKD (5,916 EUR). Courtesy Sotheby's.

depicted with bulging eyes and flanked by a pair of wide angular wings, the body subtly worked with a horizontal groove above three vertical concave bands simulating tail feathers, the reverse pierced with an aperture for suspension, the stone of a warm yellowish-celadon colour.