A similarly sized Yongzheng dish with lavender-blue glaze and identical mark is illustrated in the exhibition catalogue, Shimmering Colours: Monochromes of the Yuan to Qing periods in the Zhuyuentang Collection, Art Museum, The Chinese University of Hong Kong, 2005, p. 141, no. 73. Compare, also, a pair of Yongzheng dishes of slightly smaller size covered with what is described as a pale cobalt-blue glaze in the Percival David Foundation, included in the Illustrated Catalogue of Ming and Ch'ing Monochromes, London, 1973, section 6, nos. B 560 and 561. A similar pair was sold in these rooms, 24 March 2004, lot 244, and another pair of clair-de-lune dishes was sold in our London rooms, Chinese Monochrome Porcelains from the Collection of the late Professor E.T. Hall, C.B.E., 7 June 2004, lot 273. Other examples include a pair formerly from the Edward T. Chow Collection, sold at Sotheby's, Hong Kong, 25 November 1980, lot 74, and a pair of smaller size (11.2 cm.) from the T.Y. Chao Collection, sold at Sotheby's, Hong Kong, 18 November 1986, lot 105.