1638
National Gallery of Art, 1941
National Gallery of Art, 1889
National Gallery of Art, 1400
National Gallery of Art, 1963
National Gallery of Art, 1449
National Gallery of Art, 1970
National Gallery of Art, 1950
National Gallery of Art, 1592
National Gallery of Art, 1622
National Gallery of Art, 1760
National Gallery of Art, 1960
National Gallery of Art, 1936
![Ercole I d'Este, 1431-1505, 2nd Duke of Ferrara, Modena, and Reggio 1471 [obverse]](https://api.nga.gov/iiif/c2dd513b-923b-4462-b938-f0b8ae488438/full/843,/0/default.jpg)
![Alfonso V of Aragon, 1394-1458, King of Naples and Sicily 1443 [obverse]](https://api.nga.gov/iiif/84107fad-2006-4803-997b-8303a25fc21f/full/843,/0/default.jpg)
