Note: A closely related cup of slightly smaller size, in the National Palace Museum, Taipei, was included in the Museum’s exhibition Harmony and Integrity. The Yongzheng Emperor and His Times, Taipei, 2009, cat. no. II:67, together with a smaller agate cup and dish, cat. no. II:70, and seven agate bowls, cat. nos II:61-66 and II:68; and another smaller cup and dish, from the collection of Sir Adrian and Lady Holman, was sold at Christie’s Hong Kong, 26th April 2004, lot 1125. See also a Yongzheng mark and period shallow bowl, in the Palace Museum, Beijing, illustrated in Chinese Jades Throughout the Ages, vol. 11, Hong Kong, 1996, pl. 28; and a mallow-shaped example from the Water, Pine and Stone Retreat collection, sold in these rooms, 4th April 2012, lot 125. 

Sotheby’s. Fine Chinese Ceramics and Works of Art, Hong Kong, 08 oct. 2014, 03:00 PM