1941–1945
National Gallery of Art, 1474
National Gallery of Art, 1987
Frank, Robert, 1954
National Gallery of Art, 1989
National Gallery of Art, 1983
National Gallery of Art, 1823
Frank, Robert, 1951
National Gallery of Art, 1932
National Gallery of Art, 1454
National Gallery of Art, 1792
National Gallery of Art, 1939
National Gallery of Art, 1940
![Costanzo Sforza, 1447-1483, Lord of Pesaro 1473 [obverse]](https://api.nga.gov/iiif/c21eab10-6773-404c-bc5e-8a86e67a9dff/full/843,/0/default.jpg)
![Sigismondo Pandolfo Malatesta, 1417-1468, Lord of Rimini and Fano [obverse]](https://api.nga.gov/iiif/e6413971-fb44-44b5-b5ff-546adde99486/full/843,/0/default.jpg)
