2003
National Gallery of Art, 1937
National Gallery of Art, 1981
National Gallery of Art, 1500
National Gallery of Art, 1950
National Gallery of Art, 1842
National Gallery of Art, 1441
National Gallery of Art, 1845
National Gallery of Art, 1921
National Gallery of Art, 1976
National Gallery of Art, 1902
National Gallery of Art, 1948
National Gallery of Art, 1990
![El diamante [Diamond]](https://api.nga.gov/iiif/6302c35c-5f0b-47fc-86e0-83c1c84ca242/full/843,/0/default.jpg)
![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)
