1990
National Gallery of Art, 1955
National Gallery of Art, 1959
National Gallery of Art, 1935
National Gallery of Art, 1969
National Gallery of Art, 1950
National Gallery of Art, 1938
National Gallery of Art, 1937
National Gallery of Art, 1876
National Gallery of Art, 1943
National Gallery of Art, 1664
National Gallery of Art, 1459
![The Seasons [proof]](https://api.nga.gov/iiif/5cc89d6c-2595-4ba1-86a0-ce5a730bc59a/full/843,/0/default.jpg)
![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)