1570–1599
National Gallery of Art, 1920
National Gallery of Art, 1936
National Gallery of Art, 1785
National Gallery of Art, 1966
National Gallery of Art, 1863
National Gallery of Art, 1488
National Gallery of Art, 1953
National Gallery of Art, 1903
National Gallery of Art, 1979
National Gallery of Art, 1996
National Gallery of Art, 1755
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)
