Fluted, barbed-rim bowls of this type with differing numbers have been published. For an example incised '10', see Chugoku Toji Zenshu, vol. 12, pl. 7; for another example in the Metropolitan Museum of Art, New York, see Valenstein, A Handbook of Chinese Ceramics, 1989, pl. 141; two in the National Palace Museum, Taipei, Chun Ware of the Sung Dynasty, pls. 20 and 21; one from the Hirota Collection, in the Tokyo National Museum, Oriental Ceramics, The World's Great Collections, vol. 1, no. 88; and one in the Musee Guimet, Paris, from the Grandidier Collection is published by Lion-Goldschmidt, Les Poteries et Porcelaines Chinoises, Pl. IX(c)