1946
National Gallery of Art, 1662
National Gallery of Art, 1481
National Gallery of Art, 1480
National Gallery of Art, 1938
Williams, Dave H. and Reba W., 1950
National Gallery of Art, 1485
National Gallery of Art, 1864
National Gallery of Art, 1927
National Gallery of Art, 1701
National Gallery of Art, 1945
National Gallery of Art, 1935
National Gallery of Art, 1790
![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)
