A similar example is illustrated by van Oort, Chinese Porcelain of the 19th and 20th Centuries, pl. 17.
Another pair of bowls, formerly in the E.T. Chow Collection, sold in our London Rooms, 11 December, 1989, lot 220.
The Chinese University of Hong Kong, Imperial Porcelain of Late Qing, Kwan Collection, 1983, Catalogue, no. 44
National Museum of History, Taipei, Imperial Porcelain of late Ch'ing, From the Kwan Collection, 1985, Catalogue, no. 44