1937–1938
National Gallery of Art, 1526
National Gallery of Art, 1941
National Gallery of Art, 1938
National Gallery of Art, 1975
National Gallery of Art, 1558
National Gallery of Art, 1980
National Gallery of Art, 1829
National Gallery of Art, 1955
National Gallery of Art, 1953
National Gallery of Art, 1999
Corcoran Gallery of Art, 1900
Corcoran Gallery of Art, 1982
![8 [trial proof]](https://api.nga.gov/iiif/9c6f2e27-8cc7-40d5-a074-b4c45ccbced6/full/843,/0/default.jpg)
![Alfonso II d'Este, 1533-1597, 5th Duke of Ferrara 1559 [obverse]](https://api.nga.gov/iiif/812089a9-92f4-4dcc-85ff-0d498a8490f3/full/843,/0/default.jpg)
