Bowls and covers of this pattern with Yongzheng marks are illustrated in Qing Porcelain of Kangxi, Yongzheng and Qianlong Periods from the Palace Museum Collection, Hong Kong, 1989, p. 201, no. 30; by He Li, Chinese Ceramics, A New Comprehensive Survey, Asian Art Museum of San Francisco, 1996, no. 611; a pair in the collection of the Chinese University of Hong Kong included in the exhibition, Qing Imperial Porcelain, Hong Kong, 1995, no. 52; and one in the Tsui Museum of Art; Chinese Ceramics IV: Qing Dynasty, Hong Kong, 1995, no. 129.