Dr. Wolfgang Schulz has kindly confirmed the attribution and compares the present lot to similar drawings in the Prentenkabinet of the Rijksuniversiteit, Leiden (W. Schulz, Herman Saftleven, Munich, 1982, p. 450, nos. 1303-6). Another similar drawing (op.cit., no. 1313) was sold at Christie's, London, 2 July 1991, lot 212