Stamp, verso: J. PEOLI (Lugt 2020)
Inscribed, in plate, lower right: A. Bartsch sc. 1783. Inscribed, lower left.: Guercino inv. Inscribed, lower right edge: D'apres le Dessein original, qui se trouve dans la Collection de la Biblio- theque Impl. et Royal. de Vienne. Inscribed, lower right: 4. Inscribed, in ink, on strip of paper, attached to lower margin: No 99 1/2. An old man writing in a large book which he holds on his knees. | By-Adam Bartsch.