2004
National Gallery of Art, 1914
National Gallery of Art, 1964
National Gallery of Art, 1889
National Gallery of Art, 1748
National Gallery of Art, 1928
National Gallery of Art, 1992
National Gallery of Art, 1956
National Gallery of Art, 1900
National Gallery of Art, 1857
National Gallery of Art, 1851
National Gallery of Art, 1938
National Gallery of Art, 1444
![Untitled [trial proof]](https://api.nga.gov/iiif/dd4511ed-b557-4095-9369-b03c03e97033/full/843,/0/default.jpg)
![Leonello d'Este, 1407-1450, Marquess of Ferrara 1441 [obverse]](https://api.nga.gov/iiif/5015164f-a51e-4fec-a833-fb600b5d0159/full/843,/0/default.jpg)