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

A nearly identical Yongzheng-marked yellow-enameled 'lotus' dish, also from the collection of Forbes, The Lords Clinton, Bowes-Lyon and Somervell Families, Fettercairn House, Kincardineshire, was sold at Sotheby's New York, 22 September 2021, lot 73.