A 'Longquan' celadon 'Twin Fish' dish, Southern Song-Yuan dynasty, late 13th-early 14th century. Photo Sotheby's

rising from a short foot to a broad flaring rim, finely molded in high relief to the interior with a pair of swimming fish, the well encircled with an incised scroll band, the exterior carved with a band of upright lotus petals, covered overall in a thick sea-green glaze, the interior of the base with an unglazed orange ring within the foot. Diameter 15 in., 38 cm. Estimation 20,000 — 30,000 USD 

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