1860–1933
National Gallery of Art, 1951
National Gallery of Art, 1600
National Gallery of Art, 1622
National Gallery of Art, 1925
National Gallery of Art, 1734
National Gallery of Art, 1984
National Gallery of Art, 1624
National Gallery of Art, 1554
National Gallery of Art, 1500
National Gallery of Art, 1627
National Gallery of Art, 1618
National Gallery of Art, 1936
![Coins [plate 3]](https://api.nga.gov/iiif/8254cf0d-3435-4684-9efe-89d65af1ab1c/full/843,/0/default.jpg)
![Ercole II d'Este, 1508-1559, 4th Duke of Ferrara 1534 [obverse]](https://api.nga.gov/iiif/0be44745-b086-4642-afb2-b8de5f4cd0bc/full/843,/0/default.jpg)
