Lot 611. A 'Longquan' celadon washer, Southern Song Dynasty (1127-1279). Estimate 30,000 — 40,000 USD. Photo: Sotheby's

the straight flared sides rising from a tapered foot to an everted rim, covered overall with a rich glaze of soft bluish-gray-green color, save for the foot rim left unglazed to reveal the pale gray body with the edges burnt reddish-brown in the firing. Diameter 5 3/4  in., 14.5 cm

Sotheby's. Important Chinese Art New York, 15 Mar 2017