An identical Yongzheng-marked blue-glazed chrysanthemum-shaped teapot was offered in Hong Kong, 19 May 1982, lot 291. Other Yongzheng-marked teapots of this shape have been recorded: one covered in flambe glaze in the Palace Museum, Beijing, is illustrated in Kangxi, Yongzheng, Qianlong, 1989, p. 283, no. 112; and a robin's-egg-glazed example was offered in these Rooms, 27 April 1997, lot 727. A celadon-glazed teapot of this form with a Qianlong mark in the Robert Chang Collection, exhibited in Christie's London, 1993, see the Catalogue, no. 66, to be sold in these Rooms, 2 November 1999, lot 508.