1555–1557
National Gallery of Art, 1500
National Gallery of Art, 1510
Rosenwald, Lessing Julius, 1837
National Gallery of Art, 1957
National Gallery of Art, 1631
National Gallery of Art, 1585
National Gallery of Art, 1966
National Gallery of Art, 1446
National Gallery of Art, 1837
Rosenwald, Lessing Julius, 1909
National Gallery of Art, 1806
![Study of a Man's Head [recto]](https://api.nga.gov/iiif/7580f185-48ae-41e1-9473-d24b75ca38d6/full/843,/0/default.jpg)
![Fountain Surmounted by a Nude Male Figure [reverse]](https://api.nga.gov/iiif/95a9479b-3e1d-4a5b-b83d-7f94f629286b/full/843,/0/default.jpg)
