Professor Dr. Jaap Bolten has kindly confirmed the attribution and will include the drawing in his forthcoming catalogue raisonné. The studies of the squatting woman on the recto were engraved in reverse by François Boucher in plate 3 of his Livre d'Etude, P. Jean-Richard, L'Oeuvre gravé de François Boucher, Paris, 1978, no. 177, illustrated