A similar pair of bowls sold in our London Rooms, 06 June 1994, lot 129; and another pair on 05 December 1994, lot 42.
The Chinese University of Hong Kong, Imperial Porcelain of Late Qing, Kwan Collection, 1983, Catalogue, no. 25
National Museum of History, Taipei, Imperial Porcelain of late Chi'ng, From the Kwan Collection, 1985, Catalogue, no. 25