1880
National Gallery of Art, 1952
National Gallery of Art, 1652
National Gallery of Art, 1466
National Gallery of Art, 1644
National Gallery of Art, 1897
National Gallery of Art, 1935
National Gallery of Art, 1991
National Gallery of Art, 1785
National Gallery of Art, 1940
National Gallery of Art, 1625
National Gallery of Art, 1596
National Gallery of Art, 1641
![Francesco I Sforza, 1401-1466, 4th Duke of Milan 1450 [obverse]](https://api.nga.gov/iiif/2969b190-b490-420f-bf2c-9d57f53a2110/full/843,/0/default.jpg)
