A Qianlong-marked vase of the same pattern and exaggerated archaistic form is illustrated in Selected Ceramics from the the Collection of Mr. and Mrs. J.M. Hu, Shanghai, 1989, pl. 62; and another is illustrated by Geng Baochang, Ming Qing Ciqi Jianding, Hong Kong, 1993, p. 267, fig. 455. A third example was included in the Exhibition of Ch'ing Porcelain from the Wah Kwong Collection, Chinese University of Hong Kong, 1973, Catalogue, no. 68.