Georges François Blondel, ‘A View of the Inside of the New Prison at Rome’, ca. 1765, National Gallery of Art, Washington, D.C.
plate: 56.4 x 40.5 cm (22 3/16 x 15 15/16 in.)  sheet: 59.4 x 44.6 cm (23 3/8 x 17 9/16 in.)