1928
National Gallery of Art, 1976
National Gallery of Art, 1735
National Gallery of Art, 1981
National Gallery of Art, 1511
National Gallery of Art, 1649
National Gallery of Art, 1481
National Gallery of Art, 1893
National Gallery of Art, 1790
National Gallery of Art, 1898
National Gallery of Art, 1890
National Gallery of Art, 1940
![Sixtus IV (Francesco della Rovere, 1414-1484), Pope 1471 [obverse]](https://api.nga.gov/iiif/9c4aa1a2-1070-494a-ba06-585adff1481b/full/843,/0/default.jpg)
