A number of bowls with similar combed decoration have been excavated at the Guantai kiln site. See Guantai Cizhou Yaozhi, Beijing, 1997, col. pl. 5:2; p. 63, fig. 26:4; p. 68, figs. 28:1 and 28:7; and p. 81, fig. 33:1. Another bowl of this type is also illustrated in Unearthed Treasures of China from the Collection of the Arthur M. Sackler Museum of Art and Archaeology, Beijing University, Tokyo, 1995, pl. 179.