1619
National Gallery of Art, 1582
Baumfeld, Rudolf L., 1616
National Gallery of Art, 1939
National Gallery of Art, 1576
National Gallery of Art, 1936
National Gallery of Art, 1924
National Gallery of Art, 1961
National Gallery of Art, 1575
National Gallery of Art, 1656
National Gallery of Art, 1638
National Gallery of Art, 1930
National Gallery of Art, 1908
![Gregory XIII (Ugo Buoncompagni, 1502-1585), Pope 1572 [obverse]](https://api.nga.gov/iiif/bd43eb67-17a8-4183-8dc4-1aaa57051578/full/843,/0/default.jpg)
