Other bowls of this pattern with a Daoguang mark have been published: one in the Olmer Collection, illustrated in Chinesisches Porzellan, Roemer-Museum, Hildesheim, 1981, no. 138; one in the collection of Simon Kwan included in the exhibition, Imperial Porcelain of Late Qing, The Chinese University of Hong Kong, 13 - 15 September 1983, no. 51; and another in the collection of the Hong Kong Museum of Art was included in their exhibition, Wonders of the Potter's Palette, 1984, no. 104. See, also, the pair sold in our Hong Kong rooms, 16 - 17 January 1989, lot 715.