Although cups of this shape appear to be rare, there are several known examples. Compare the one in the Percival David Foundation illustrated by Hobson, Chinese Porcelain in the David Foundation, pl. XXIX (top right), catalogue no. 68; one from the Simon Kwan collection was included in the Min Chiu Society Thirtieth Anniversary Exhibition, 1990, Catalogue, no. 111; the last from the Edward T. Chow collection was sold in London, 16 December 1980, lot 293