Lot 142. A rare small turquoise bead, Western Zhou Dynasty (1050-771 BC). Length 2.9 cm, 1⅛ in. Estimate: 3,000 - 5,000 GBP. Lot sold: 6,300 GBP. Courtesy Sotheby's. carved in the form of a turtle, grooves delineating the body, the stone a mottled pale...