Dingyao bowls of this shape decorated with dragons are fairly rare. A very similar dingyao bowl, also carved with dragons on the interior and exterior, with a metal-bound rim, is in the National Palace Museum, Taipei, and is published in the Illustrated Catalogue of Sung Dynasty Porcelain in the National Palace Museum, Ting ware and Ting-type ware, Taipei, 1973, Catalogue, no. 28; in the Catalogue of a Special Exhibition of Dragon-Motif Porcelain in the National Palace Museum, Taipei, 1983, no. 4; and in Zhongguo taoci daxi (Chinese Ceramics Series), Song, Yuan taoci daquan (Song and Yuan Ceramics), Taipei, 1988, p. 158

Compare other examples of deep dingyao bowls which are carved with lotus decoration: two illustrated by Mary Tregear, Song Ceramics, New York, 1982, pp. 56 and 57, nos. 33 and 35; another included in the Charles B. Hoyt Collection Memorial Exhibition, Museum of Fine Arts, Boston, February 13-March 30, 1952, Catalogue, p. 63, no. 251; and another sold in our London saleroom, December 14, 1987, lot 6