Stamped, in black, verso: A. Castagnari (Lugt Suppl. 86a)
Inscribed, in plate, lower right corner: Piranesi Archit. dis. ed inc. Inscribed, upper right of image: Tom. II XXVIII Inscribed, in plate, across lower margin: [three long lines of text] Inscribed, in pencil, lower right corner: [illegible numeric notation]