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

A comparable Qianlong mark and period bowl in the Imperial Collection, Beijing, is illustrated in The Complete Collection of Treasures of the Palace Museum - 38 - Porcelain in Polychrome and Contrasting Colours, Beijing, 1999, p148, no.136. A comparable bowl sold at Christie's New York, 15 September 2011, lot 1498.