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

A nearly identical vase from the collection of Robert Chang was sold at Christie's New York, 20 September 2001, lot 390, and a pair with Qianlong marks is illustrated in Chinese Celadons and Other Related Wares in Southeast Asia, Singapore, 1979, pl. 224, nos. 271 and 272. One with a Yongzheng mark was included in the Exhibition of Ch'ing Porcelain from the Wah Kwong Collection, Chinese University of Hong Kong, 1973, no. 18.