2004
National Gallery of Art, 1854
National Gallery of Art, 1956
National Gallery of Art, 1961
National Gallery of Art, 1916
National Gallery of Art, 1989
National Gallery of Art, 1890
National Gallery of Art, 1541
National Gallery of Art, 1926
National Gallery of Art, 1969
National Gallery of Art, 1550
National Gallery of Art, 1535
National Gallery of Art, 1993
![Ferdinand I, 1503-1564, Archduke of Austria 1519, Holy Roman Emperor 1556 [obverse]](https://api.nga.gov/iiif/a04a5831-1038-40d4-91d0-dbaf614a513f/full/843,/0/default.jpg)
![Ludwig X, 1495-1545, Duke of Bavaria 1514 [obverse]](https://api.nga.gov/iiif/86f286f9-25cd-421f-a88f-327d518c2982/full/843,/0/default.jpg)
