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

A copper-red meiping of similar size and also dated to the Yongzheng period is illustrated in The Complete Collection of Treasures of the Palace Museum - 37 - Monochrome Porcelain, Hong Kong, 1999, pl. 24. Another slightly larger copper-red example (24 cm. high), previously in the collection of Emily Trevor, was sold at Christie's New York, 19 September 2007, lot 344. Two more examples, previously in the collection of T. Y. Chao, were sold at Christie's Hong Kong, 1 June 2011, lots 3613 and 3614.