1917–1928
National Gallery of Art, 1938
National Gallery of Art, 1934
National Gallery of Art, 1560
National Gallery of Art, 1837
National Gallery of Art, 1937
National Gallery of Art, 1854
National Gallery of Art, 1500
National Gallery of Art, 1923
National Gallery of Art, 1799
National Gallery of Art, 1980
National Gallery of Art, 1794
National Gallery of Art, 1901
![Giangaleazzo Maria Sforza, 1469-1494, 6th Duke of Milan 1476 [obverse]](https://api.nga.gov/iiif/da01db2f-21b2-48a9-adc6-9dd7a44f7e22/full/843,/0/default.jpg)
