Compare the very similar example from the Arthur M. Sackler Collections, sold in these rooms, 1 December 1994, lot 111. Other examples are in the collection of the Museum für Ostasiatische Kunst, Cologne illustrated by A. Salmony, Carved Jade of Ancient China, Berkeley, 1938, pl. XXXIV, no. 1; in the Winthrop Collection, Fogg Art Museum, illustrated by M. Loehr, Ancient Chinese Jades, Cambridge, 1975, p. 415, no. 600; and in the Pope-Hennessey Collection, illustrated by Una Pope-Hennessey, Early Chinese Jades, New York, 1923, pl. XXI: fig. 1.