清乾隆

Compare to a similar Qianlong-marked example included in the exhibition Ch'ing Porcelain from the Wah Kwong Collection, Chinese University of Hong Kong, 1973, Catalogue no. 18; one from the Robert Chang Collection, sold at Christie's New York, 16 October, 2001, lot 390; and another sold at Christie's New York, 16-17 September 2010, lot 1444.