1985
National Gallery of Art, 1759
National Gallery of Art, 1779
National Gallery of Art, 1928
National Gallery of Art, 1539
National Gallery of Art, 1937
National Gallery of Art, 1935
National Gallery of Art, 1570
National Gallery of Art, 1470
National Gallery of Art, 1400
National Gallery of Art, 1887
National Gallery of Art, 1938
National Gallery of Art, 1907
![Sixtus IV (Francesco della Rovere, 1414-1484), Pope 1471 [obverse]](https://api.nga.gov/iiif/3a538c6d-adea-420f-bbcc-b241c54384a3/full/843,/0/default.jpg)
![Nude Figure [reverse]](https://api.nga.gov/iiif/55b429ca-702f-4221-b694-a78765a0c4d0/full/843,/0/default.jpg)