1871
National Gallery of Art, 1464
National Gallery of Art, 1968
National Gallery of Art, 1603
National Gallery of Art, 1735
National Gallery of Art, 1789
National Gallery of Art, 1718
National Gallery of Art, 1941
National Gallery of Art, 1459
National Gallery of Art, 1935
National Gallery of Art, 1518
National Gallery of Art, 1959
National Gallery of Art, 1875
![Galeazzo Maria Sforza, 1444-1476, 5th Duke of Milan 1466 [reverse]](https://api.nga.gov/iiif/f4079000-c503-453b-9ede-449b21642e19/full/843,/0/default.jpg)
![Baldassare Castiglione, 1478-1529, Author of "The Courtier" [obverse]](https://api.nga.gov/iiif/aa376ed3-3004-497c-a8f5-72ccd941bf15/full/843,/0/default.jpg)
