YONGZHENG SIX-CHARACTER MARK IN UNDERGLAZE BLUE WITHIN A DOUBLE CIRCLE AND OF THE PERIOD (1723-1735)

A closely comparable vase of nearly identical size is in the Baur Collection and is illustrated by J. Ayers in Chinese Ceramics in the Baur Collection, vol. 2, Geneva, 1999, no. 302. An identical pair of vases from the Millicent Rogers Collection was sold at Christie’s Hong Kong, 28 November 2012, lot 2128. Another closely related pair is illustrated in The J. Insley Blair Collection of Chinese Porcelain, New York, 1925, pl. 1.