A very similar Yaozhou carved bowl in the National Palace Museum, Beijing, is illustrated in The Complete Collection of Treasures of the Palace Museum - 32 - Porcelain of the Song Dynasty (1), Hong Kong 1996, p. 125, no. 111. Another comparable example is illustrated by J. Wirgin, Sung Ceramic Designs, Stockholm, 1970, pl. 6j. See, also, the similar bowl sold in these rooms, 20 September 2005, lot 207.