YONGZHENG SIX-CHARACTER MARK IN UNDERGLAZE BLUE WITHIN A DOUBLE-CIRCLE AND OF THE PERIOD (1723-1735)

Compare the current lot to a slightly smaller example (28 cm.) dated to the Kangxi/Yongzheng period from the collection of Professor E. T. Hall, sold at Christie's London 7 June 2004, lot 135. Also see an earlier Ming example with anhua decoration, dated to the Yongle period, in the Beijing Palace Museum, illustrated in The Complete Collection of Treasures of the Palace Museum - Monochrome Porcelain, Commercial Press, Hong Kong, 1999 , p. 108, no. 99.