Lot 132. A jade disc (bi), Neolithic Period, Liangzhu Culture (3400–2250 BC). Diameter 8 1/8 in., 20.5 cm. Estimate 35,000 — 45,000 USD. Lot sold 37,500 USD. Photo Sotheby's.

of irregularly circular form with a small central aperture drilled from both sides to form an encircling ridge, the surface with deep gouges, the variegated stone of dark green and russet color with extensive veining. 

Provenance: Collection of Armand Trampitsch, acquired prior to 1975.
Ader Picard Tajan, Paris, 30th May 1985, lot 46.

Property from the Sam and Myrna Myers Collection.

Note: Compare the smaller bi of this type from the Winthrop Collection included in Max Loehr, Ancient Chinese Jades from the Grenville L. Winthrop Collection in the Fogg Art Museum, Harvard University, Massachusetts, 1975, p. 38, cat. no. 8.

Sotheby's. Fine Chinese Ceramics & Works of Art. New York | 18 Mar 2014, 10:30 AM