1938
National Gallery of Art, 1964
National Gallery of Art, 1969
National Gallery of Art, 1948
National Gallery of Art, 1953
National Gallery of Art, 1922
National Gallery of Art, 1731
National Gallery of Art, 1941
National Gallery of Art, 1990
National Gallery of Art, 1973
National Gallery of Art, 1807
National Gallery of Art, 1482
National Gallery of Art, 1985
![Sixtus IV (Francesco della Rovere, 1414-1481), Pope 1471 [obverse]](https://api.nga.gov/iiif/8fc57e11-7b1e-4949-9c03-6a12d20cd606/full/843,/0/default.jpg)
