1610–1620
National Gallery of Art, 1515
National Gallery of Art, 1968
National Gallery of Art, 1951
National Gallery of Art, 1935
National Gallery of Art, 1719
National Gallery of Art, 1912
National Gallery of Art, 1908
National Gallery of Art, 1943
National Gallery of Art, 1976
National Gallery of Art, 1936
National Gallery of Art, 1500
National Gallery of Art, 1937
![Untitled II [trial proof]](https://api.nga.gov/iiif/8b4b72ac-62b5-4fa2-a6e4-28bcfa584c36/full/843,/0/default.jpg)
![Francesco I Sforza, 1401-1466, 4th Duke of Milan 1450 [obverse]](https://api.nga.gov/iiif/9463c4ad-2392-49b4-ba22-8c8271408cdd/full/843,/0/default.jpg)
