1997
National Gallery of Art, 1937
National Gallery of Art, 1905
National Gallery of Art, 1942
National Gallery of Art, 1500
National Gallery of Art, 1775
National Gallery of Art, 1952
National Gallery of Art, 1488
Diana Walker, 1985
National Gallery of Art, 1927
National Gallery of Art, 1800
National Gallery of Art, 1647
National Gallery of Art, 1935
![Francesco I Sforza, 1401-1466, 4th Duke of Milan 1450 [obverse]](https://api.nga.gov/iiif/ad69cfeb-85d3-4b0b-9523-c067e1cc45ba/full/843,/0/default.jpg)
