1992
National Gallery of Art, 1954
National Gallery of Art, 1978
National Gallery of Art, 1930
National Gallery of Art, 1500
National Gallery of Art, 1450
National Gallery of Art, 1919
National Gallery of Art, 1936
National Gallery of Art, 1800
National Gallery of Art, 1727
National Gallery of Art, 1950
National Gallery of Art, 1889
![Untitled [trial proof]](https://api.nga.gov/iiif/606eeaec-3dba-4ed8-a6c2-dc015589613a/full/843,/0/default.jpg)
![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)
