Inscribed at center left, beside the door frame, in red chalk: "V;" throughout, as labels with architectural measurements, in red chalk: "2 1/2; 3; 2 1/4; 6; 2; 4 1/2; 6; " Scale ruled at lower left and inscribed "B" at one of the markings at left. Inscribed on verso, on piece of paper pasted to lining, in dark brown ink: "Prospettiva dal Callotti" (probably taken from an old mount or backing).
Watermark: Fleur-de-lis in circle (Ferrara 1550?).
Oenslager, Donald, 1902-1975, former owner.
Selected references: New Haven 1964, no. 4 (as unknown artist, north Italy, about 1560); New York and elsewhere 1974-75, 19, no. 5 (as unknown Italian artist, sixteenth century); Oenslager 1975, 32-33, no. 6.
Donald Oenslager. Four Centuries of Scenic Invention : Drawings from the Collection of Donald Oenslager. Washington, D.C. : International Exhibitions Foundation, 1974, no. 6, repr.