For a closely related bowl dated to the Jin dynasty see Tsugio Mikami, Sekai Toji Zenshu, vol. 13, Tokyo, 1981, no. 15. Another similar bowl from The Palace Museum, Beijing was included in the exhibition at The British Museum, Kiln Sites of Ancient China, March 26 - May 9, 1980, and illustrated by Penelope Hughes-Stanton and Rose Kerr in the Catalogue, no. 446, together with a celadon sherd incised with a similar cow, Catalogue, no. 447.
The design of the cow gazing up at the moon is also found on contemporaneous Ding wares. For further discussion refer to the introductory essay to this catalogue