Bowls and covers of this pattern with Yongzheng marks are illustrated in The Complete Collection of Treasures of the Palace Museum - 38 - Porcelains in Polychrome and Contrasting Colours, Hong Kong, 1999, no. 230; by He Li, Chinese Ceramics, A New Comprehensive Survey, Asian Art Museum of San Francisco, 1996, no. 611; and one in The Tsui Museum of Art: Chinese Ceramics IV - Qing Dynasty, Hong Kong, 1995, no. 129. See other bowls and covers with the same pattern sold by Christie's Hong Kong, 31 May 2010, lot 2051 and by Christie's New York, 15-16 September 2011, lot 1533.