1910–1920
National Gallery of Art, 1775
National Gallery of Art, 1936
Corcoran Gallery of Art, 1887
National Gallery of Art, 1917
National Gallery of Art, 1955
National Gallery of Art, 1781
Corcoran Gallery of Art, 1857
National Gallery of Art, 1802
National Gallery of Art, 1935
Corcoran Gallery of Art, 1858
National Gallery of Art, 1547
![Pier Luigi Farnese, 1503-1547, 1st Duke of Parma and Piacenza 1545 [obverse]](https://api.nga.gov/iiif/4a8bb02a-e67b-4d46-aa80-72514a5c3ec6/full/843,/0/default.jpg)