Lot Essay
Cf. Bernard Rackham, The Glaisher Collection, Cambridge, 1935, no. 812, for a single white example; Griselda Lewis, English Pottery, London, 1956, fig. 108, for a coloured pair in the British Museum; Leslie B. Grigsby, The Henry H. Weldon Collection, English Pottery..., London, 1990, no. 170 for a discussion and single coloured example