1582
National Gallery of Art, 1510
National Gallery of Art, 1936
National Gallery of Art, 1938
National Gallery of Art, 1891
National Gallery of Art, 1940
National Gallery of Art, 1566
National Gallery of Art, 1800
National Gallery of Art, 1972
National Gallery of Art, 1937
National Gallery of Art, 1955
National Gallery of Art, 1663
![Gregory XIII (Ugo Buoncompagni, 1502-1585), Pope 1572 [obverse]](https://api.nga.gov/iiif/bd43eb67-17a8-4183-8dc4-1aaa57051578/full/843,/0/default.jpg)
