Lot 126. A jade ritual notched disc (xuanji), Neolithic Period. Diameter 5 7/8 in., 15 cm. Estimate 20,000 — 30,000 USD. Lot sold 22,500 USD. Photo Sotheby's.

with a wide central aperture, deeply carved around the exterior edge with three deep notches and shallow serrations, the pale green jade with extensive areas of calcification. 

Provenance: Acquired in Wilton, Connecticut, 4th August 1974.

Property from the Sam and Myrna Myers Collection.

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