1530
National Gallery of Art, 1935
National Gallery of Art, 1700
National Gallery of Art, 1955
National Gallery of Art, 1537
National Gallery of Art, 1500
National Gallery of Art, 1876
National Gallery of Art, 1920
National Gallery of Art, 1956
National Gallery of Art, 1941
National Gallery of Art, 1959
Baskin, Lisa, 1582
National Gallery of Art, 1654
![Gregory XIII (Ugo Buoncompagni, 1502-1585), Pope 1572 [obverse]](https://api.nga.gov/iiif/b4d44534-29b7-4d7b-96a7-acea17f6b5ab/full/843,/0/default.jpg)
