Chinese Jade Bi. Ming Dynasty or later. Photo Doyle New York

Carved on the top with nine crawling chilong, the reverse worked in low relief with bosses in a grid pattern, the stone a gray green with white mottling. Diameter 8 7/8 inches. Estimate $6,000-8,000

Doyle New York. Asian Works of Art. Monday, September 12, 2011 at 10am www.doylenewyork.com