1997
National Gallery of Art, 1941
National Gallery of Art, 2003
National Gallery of Art, 1650
National Gallery of Art, 1857
National Gallery of Art, 1936
National Gallery of Art, 1675
National Gallery of Art, 1550
National Gallery of Art, 1921
National Gallery of Art, 1935
National Gallery of Art, 1613
National Gallery of Art, 1956
![Leo [sketch (on Mylar)]](https://api.nga.gov/iiif/55d37ab4-9d60-4318-af22-4b852391c2a4/full/843,/0/default.jpg)
![The Fountain of Virtue [reverse]](https://api.nga.gov/iiif/395f3fe6-7c46-4529-9d3d-5ab1ac1df7e3/full/843,/0/default.jpg)
