1891–1893
National Gallery of Art, 1937
National Gallery of Art, 1884
National Gallery of Art, 1762
National Gallery of Art, 1950
National Gallery of Art, 1977
National Gallery of Art, 1486
National Gallery of Art, 1938
National Gallery of Art, 1809
National Gallery of Art, 1936
National Gallery of Art, 1939
![Zwei Köpfe (Two Heads) [p. 13]](https://api.nga.gov/iiif/2633ebe9-82eb-4c7f-9a48-eb91f33d5aa7/full/843,/0/default.jpg)
![Mercury Carrying a Caduceus [reverse]](https://api.nga.gov/iiif/d004cd04-8161-4120-97db-be67e56d0c25/full/843,/0/default.jpg)
