A single winecup was sold at Christie's Hong Kong, 29 May 2007, lot 1495. Compare with a pair of cups also with Yongzheng marks illustrated in Chinese Porcelain, The S.C. Ko Tianminlou Collection, Hong Kong, 1987, pl. 98; a pair from the E.T. Chow collection most recently sold at Christie's Hong Kong 1 December 2009, lot 1920; and another pair from the Paul and Helen Bernat collection sold at Sotheby's Hong Kong, 15 November, 1988, lot 6.