JIAQING FOUR-CHARACTER INCISED SEAL MARK AND OF THE PERIOD (1796-1820)

Compare this rare censer with a white jade Qianlong-marked example in the Palace Museum Beijing, illustrated in Xu Xiaodong in Compendium of Collections in the Palace Museum, Jade, vol. 10: Qing Dynasty, Beijing, 2011, p. 136, no. 99. See also a similar green jade censer, also marked Qianlong, illustrated in Masterworks of Chinese Jade in the National Palace Museum, Supplement, Taipei, 1973, no. 41.