1903–1970
National Gallery of Art, 1912
National Gallery of Art, 1554
National Gallery of Art, 1798
National Gallery of Art, 1874
National Gallery of Art, 1827
National Gallery of Art, 1876
National Gallery of Art, 1958
National Gallery of Art, 1949
National Gallery of Art, 1937
National Gallery of Art, 1929
National Gallery of Art, 1750
National Gallery of Art, 2012
![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)
