Lot 381. A rare white jade terrapin, Neolithic period, Dawenkou culture (4000-2200 BC); 3.6 and 3.7 cm, 1 3/8 and 1 1/2 in. Estimate 30,000 — 40,000 HKD . Lot sold 300,000 HKD (34,186 EUR ). Courtesy Sotheby's. the flattened pebble worked in the form...