2004
National Gallery of Art, 1895
National Gallery of Art, 1800
National Gallery of Art, 1634
National Gallery of Art, 1640
National Gallery of Art, 1919
National Gallery of Art, 1400
National Gallery of Art, 1935
National Gallery of Art, 1963
National Gallery of Art, 1940
National Gallery of Art, 1939
National Gallery of Art, 1943
![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)
