Two similar Qianlong bowls from a pair in the Percival David Foundation, London, are published in the Illustrated Catalogue of Ch'ing Enamelled Wares, London, 1958, no. 897, and in The World's Great Collections. Oriental Ceramics, vol. 6, Tokyo, 1982, no. 274; for one in the Musée Guimet, Paris, see op.cit., vol. 7, Tokyo, 1981, col. pl. 91; another is included in the Illustrated Catalogue of Tokyo National Museum. Chinese Ceramics, vol. II, Tokyo, 1990, no. 660. Another similar pair of bowls has been sold in these rooms, 8th April 2011, lot 3086.