1973
National Gallery of Art, 1539
National Gallery of Art, 1470
National Gallery of Art, 1969
National Gallery of Art, 1937
National Gallery of Art, 1973
National Gallery of Art, 1936
National Gallery of Art, 1837
National Gallery of Art, 2013
National Gallery of Art, 1938
![Paul II (Pietro Barbo, 1417-1471), Pope 1464 [reverse]](https://api.nga.gov/iiif/b3abbb24-ab68-4b11-b061-fdae86ad4d13/full/843,/0/default.jpg)
![Face [trial proof]](https://api.nga.gov/iiif/dfaec72e-f3d7-4936-92d7-c38b8088a880/full/843,/0/default.jpg)
![Figure 2 [trial proof]](https://api.nga.gov/iiif/81bbb5e0-9ba7-47c9-a68a-45c0873df752/full/843,/0/default.jpg)
