Compare a similar vase from the National Palace Museum, Taipei, illustrated in the exhibition catalogue Special Exhibition of K'ang-hsi, Yung-cheng and Ch'ien-lung Porcelain Ware from the Ch'ing Dynasty, Taipei, 1986, no. 102. Another from the San Francisco Asian Art Museum is illustrated by He Li, Chinese Ceramics, London, 1996, pl. 523. Compare also a Jiaqing example in the Meiyintang Collection illustrated by R. Krahl in Chinese Ceramics from the Meiyintang Collection, vol. 2, p.221, no. 881.