1964
National Gallery of Art, 1958
National Gallery of Art, 1965
National Gallery of Art, 1651
National Gallery of Art, 1955
National Gallery of Art, 1859
National Gallery of Art, 1939
National Gallery of Art, 1507
National Gallery of Art, 1916
National Gallery of Art, 1619
National Gallery of Art, 1582
National Gallery of Art, 1937
National Gallery of Art, 1938
![Gregory XIII (Ugo Buoncompagni, 1502-1585), Pope 1572 [obverse]](https://api.nga.gov/iiif/b4d44534-29b7-4d7b-96a7-acea17f6b5ab/full/843,/0/default.jpg)
