on verso at top left in graphite: Ferrilli[?]; at bottom center: [?] aus Studien; and at bottom right: b 131
(sale, Christie's, London, 4 July 1995, no. 374, as attributed to Lorenzo de Ferrari). David Lachenmann, Munich; Wolfgang Ratjen, Munich; purchased by NGA, 2007.
- German Master Drawings from the Wolfgang Ratjen Collection, 1580 - 1900, NGA, 2010: 72-73, no. 11.