1955
National Gallery of Art, 1938
National Gallery of Art, 1619
National Gallery of Art, 1681
National Gallery of Art, 1851
National Gallery of Art, 1770
National Gallery of Art, 1647
National Gallery of Art, 1924
National Gallery of Art, 1646
National Gallery of Art, 1929
Escher, M.C., 1931
National Gallery of Art, 1648
![Frederick III, 1609-1670, King of Denmark and Norway 1648 [obverse]](https://api.nga.gov/iiif/21b96fd0-e174-49a6-97f2-34ec3973a58f/full/843,/0/default.jpg)