'Longquan' celadon-glazed vase, Southern Song dynasty. Photo Sotheby's

the broad cylindrical body angling at the shoulder, surmounted by a tall tapering neck extending to an everted rim with a slightly upturned lip, covered in a pale gray-green glaze/ Height 6 1/2  in., 16.5 cm. Estimation 20,000 — 30,000 USD 

NOTE: See a slightly larger Longquan celadon vase of this shape illustrated in Sekai tôji zenshû, vol. 12, Tokyo, 1977, pl. 207; and another from the W.W. Winkworth collection sold in our London rooms, 12th December 1972, lot 20.

Sotheby's. Fine Chinese Ceramics & Works of Art. New York | 17 sept. 2013 - www.sothebys.com