Lot Essay
Two other versions, with the sitter seated in reverse, are recorded; one, in the collection of Dr Einar Perman, Stockholm (Gudlaugsson, op.cit., no.279/II); the other of slightly later date, was offered at Sotheby's London, 8 December 1975, lot 116, ill. (Gudlaugsson, op.cit., no.279/III).