Prisoners on a Projecting Platform, from Carceri d'invenzione (Imaginary Prisons), Giovanni Battista Piranesi, circa 1749–50

Print. Date: circa 1749–50. Dimensions: Sheet: 19 1/2 x 25 3/16 in. (49.5 x 64 cm); ; Plate: 16 1/8 x 21 1/4 in. (41 x 54 cm). Medium: engraving, etching, pen. Collection: Metropolitan Museum of Art. Prisoners on a Projecting Platform, from Carceri d'invenzione (Imaginary Prisons) MET DP828190