Compare the present lot with three other vases of identical design sold at Sotheby's, the first in New York, 1 June, 1988, lot 158; a second in London, 8 June 1993, lot 109; and a third also in London, 10 June 2003, lot 180.

Cf. a larger vase (28.6 cm. high) of this form covered in a flambé glaze in the National Palace Museum, illustrated in Monochrome Porcelains of the Ch'ing Dynasty, Taibei, 1970, no. 20.