Cf. the painting on a Qianlong-marked copper-red flask included in the joint exhibition from the Collections of the Percival David Foundation and C.P. Lin, Elegant Form and Harmonious Decoration, Catalogue, no. 171; a similar example is illustrated by Anthony du Boulay, Christie's Pictorial History of Chinese Ceramics, p. 206, fig. 1. A Qianlong-marked copper-red decorated monk's cap ewer and cover finely painted with a related lotus scroll from the Metropolitan Museum of Art, New York, is illustrated in Sekai Toji Zenshu, Shogakukan Series, vol. 15, fig. 90