1938
National Gallery of Art, 1607
National Gallery of Art, 1559
National Gallery of Art, 1775
National Gallery of Art, 1936
National Gallery of Art, 1675
National Gallery of Art, 1994
United States Government, 1940
National Gallery of Art, 1715
National Gallery of Art, 1879
National Gallery of Art, 1571
National Gallery of Art, 1803
National Gallery of Art, 1909
![The March of Silenus [recto]](https://api.nga.gov/iiif/fb6d9daa-1879-4b84-ae19-14cce4cebd24/full/843,/0/default.jpg)
![Monkey Contemplating a Human Skull in a Landscape [reverse]](https://api.nga.gov/iiif/20e1c0d0-4eea-46d6-84d9-0e7b94fd0408/full/843,/0/default.jpg)