1979
National Gallery of Art, 1919
National Gallery of Art, 1582
National Gallery of Art, 1936
National Gallery of Art, 1891
National Gallery of Art, 1983
National Gallery of Art, 1856
National Gallery of Art, 1935
National Gallery of Art, 1939
National Gallery of Art, 1753
National Gallery of Art, 1733
National Gallery of Art, 1887
National Gallery of Art, 1940
![Gregory XIII (Ugo Buoncompagni, 1502-1585), Pope 1572 [obverse]](https://api.nga.gov/iiif/b4d44534-29b7-4d7b-96a7-acea17f6b5ab/full/843,/0/default.jpg)
