Compare with a similar example illustrated in P.J. Donnelly, Blanc de Chine, London, 1969, pl. 144A and from the author's collection; and a Guanyin signed He Chaozhong, with similar facial expression but hooded, formerly in the J.M. Hu Collection, included in An Exhibition of Te Hua Porcelain, Art Gallery, Chinese University of Hong Kong, 1975, cat. no. 77, and sold at Christie's New York, 15th September 2009, lot 408.