Compare with a bowl of this form and decoration with a similar yuzhi mark, illustrated by Hugh Moss, By Imperial Command, col. pl. 57; another bowl in the collection of the Shanghai Museum, is illustrated in Chugoku Toji Zenshu, vol. 21, pl. 76. Two more bowls, in the collection of the National Palace Museum, Taipei, are illustrated in the Catalogue, Fine Enamelled Porcelain of the Ch'ing Dynasty, Yung Cheng Period, Book II, pls. 34 and 35. Another such bowl was sold in our New York Rooms, 1 June 90, lot 319