Lot Essay
A drawing by the same artist was sold at Christie's, London, 18 April 1989, lot 18. Another drawing by the same hand is at the Ratjen Foundation, Vaduz (Stiftung Ratjen, Italienische Zeichnungen des 16.-18. Jahrhunderts, exhib. cat., Munich, Staatliche Graphische Sammlung, and elsewhere, 1978, no. 32).