1938
National Gallery of Art, 1400
National Gallery of Art, 1592
National Gallery of Art, 1935
National Gallery of Art, 1937
National Gallery of Art, 1804
National Gallery of Art, 1940
National Gallery of Art, 1922
United States Government, 1935
National Gallery of Art, 1983
National Gallery of Art, 1938
National Gallery of Art, 1941
![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)
