Previously sold in these Rooms, The Imperial Sale, 28 April 1996, lot 16.
Full-sized screens with cloisonné or champlevé enamel plaques set within zitan frames are illustrated in Metal-bodied Enamel Ware, The Complete Collection of Treasures of the Palace Museum, vol. 43, Hong Kong, 2002, pls. 134-136. The screen illustrated as pl. 136 was also included in the Chinese University of Hong Kong exhibition, Tributes from Guangdong to the Qing Court, 1987, illustrated in the Catalogue, no. 90, where Yang Boda refers to a similar screen having been presented to the Emperor Qianlong by the Governor of Guangdong, p. 139.