1859
National Gallery of Art, 2005
National Gallery of Art, 1975
National Gallery of Art, 1876
National Gallery of Art, 1800
National Gallery of Art, 1400
National Gallery of Art, 1960
National Gallery of Art, 1931
National Gallery of Art, 1969
National Gallery of Art, 1961
National Gallery of Art, 1937
National Gallery of Art, 1546
![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)
