Stamp, verso: J. PEOLI (Lugt 2020)
Inscribed, in plate, below image, lower right: A Bartsch sc: 1782 Inscribed, lower left: Guercino da Cento del: Inscribed, in ink, on strip of paper, taped to lower edge of sheet: No 99 1/2. Bust of an old man pointing with his left hand toward the right of the print. | By-Adam Bartsch. Inscribed, in plate, below image, lower right: 2