QIANLONG SIX-CHARACTER SEAL MARK AND OF THE PERIOD (1736-1795)

Compare to an identical example in the Nanjing Museum, illustrated in Treasures in the Royalty: The Official Kiln Porcelain of the Chinese Qing Dynasty, Shanghai, 2003, p. 245. Another pair of identical bowls from the Yiqingge Collection was sold at Christie's Hong Kong, 1 June 2011, lot 3742.