1728–1811
National Gallery of Art, 1955
National Gallery of Art, 1550
National Gallery of Art, 1488
National Gallery of Art, 1612
National Gallery of Art, 1510
National Gallery of Art, 1553
National Gallery of Art, 1939
National Gallery of Art, 1626
National Gallery of Art, 1650
National Gallery of Art, 1525
National Gallery of Art, 1970
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)
