Compare an identical single bowl in the Palace Museum, Beijing, illustrated in Kangxi, Yongzheng, Qianlong. Qing Porcelain from the Palace Museum Collection, Beijing, 1989, fig. 15, p. 334. Compare also the Qianlong example from the Powell-Cotton Collection illustrated by Gordon Lang, The Powell-Cotton Collection of Chinese Ceramics, Kent, 1988, pl. 7, no. 96, p. 46, together with another in the same collection, but of the Yongzheng period, ibid., pl. 7, no. 86, p. 46.
For yet another identical bowl in the Nanjing Museum see Qing Imperial Porcelain, Of the Kangxi, Yongzheng and Qianlong Reigns, Hong Kong, 1995, pl. 84