YONGZHENG SIX-CHARACTER INCISED SEAL MARK AND OF THE PERIOD (1723-1735)

A Yongzheng mark-and-period vase of this very rare form and of comparable size, but covered in a celadon glaze, is illustrated in Treasures from Japan: Masterpieces of Chinese Ceramics from Yamanaka & Co., Ltd. and other Japanese Collections, Beijing, 2020, pp. 194-5, no. 75.