1968
National Gallery of Art, 1898
National Gallery of Art, 1559
National Gallery of Art, 1991
National Gallery of Art, 1512
National Gallery of Art, 1941
National Gallery of Art, 1474
National Gallery of Art, 1645
National Gallery of Art, 1800
National Gallery of Art, 1810
National Gallery of Art, 1582
National Gallery of Art, 1936
National Gallery of Art, 1922
![Gregory XIII (Ugo Buoncompagni, 1502-1585), Pope 1572 [obverse]](https://api.nga.gov/iiif/b4d44534-29b7-4d7b-96a7-acea17f6b5ab/full/843,/0/default.jpg)
