Carlo Antonio Buffagnotti, ‘Architectural Motif with Three Shields’, ca. 1690, National Gallery of Art, Washington, D.C.
plate: 11.3 x 9.3 cm (4 7/16 x 3 11/16 in.)  sheet: 17.4 x 12.4 cm (6 7/8 x 4 7/8 in.)