Lot 91. A 'Jizhou' 'Ruyi' bowl, Southern Song dynasty (1127-1279). Diameter 5 in., 12.7 cm. Estimate 10,000 — 15,000 USD. Lot sold 32,500 USD. Photo Sotheby's.

the rounded sides rising from a short foot to a slightly everted rim, covered overall with a rich brown glaze and painted in the interior with a stylized band of ruyi encircling a five-petaled floret enclosing tight scrolls, the exterior with irregular cafe-au-lait splashes in imitation of tortoiseshell. 

Note: See a related bowl of similar size in the Museum of East Asian Art, Bath, included in The Museum of East Asian Art Inaugural Exhibition, Bath 1993, cat. no. 128. Another bowl with similar pattern but of conical form is illustrated in R.L. Hobson, The George Eumorfopoulos Collection Catalogue of Chinese, Corean and Persian Pottery and Porcelain, London, vol. 6, 1928, pl. XV, no. F77; and another slightly smaller bowl, in the Metropolitan Museum of Art is illustrated in Suzanne G. Valenstein, A Handbook of Chinese Ceramics, New York, 1989, p. 117, pl. 113.

Compare also a bowl of this size and decoration, but of more rounded form, sold in these rooms, 23rd March 2004, lot 617. 

Sotheby's. Song Tradition: Early Ceramics from the Yang De Tang Collection. New York, 17 march 2015, 11:00 AM