1705–1715
National Gallery of Art, 1893
National Gallery of Art, 1565
National Gallery of Art, 1620
National Gallery of Art, 1903
National Gallery of Art, 1940
National Gallery of Art, 1985
National Gallery of Art, 1980
National Gallery of Art, 1938
National Gallery of Art, 1937
National Gallery of Art, 1936
National Gallery of Art, 1881
National Gallery of Art, 1441
![Francesco I Sforza, 1401-1466, 4th Duke of Milan 1450 [obverse]](https://api.nga.gov/iiif/7e634b18-4889-4b76-91c6-a40243914a73/full/843,/0/default.jpg)