1993
National Gallery of Art, 1730
National Gallery of Art, 1884
National Gallery of Art, 1886
National Gallery of Art, 1925
National Gallery of Art, 1953
National Gallery of Art, 1961
National Gallery of Art, 1962
National Gallery of Art, 1826
National Gallery of Art, 1838
National Gallery of Art, 1537
National Gallery of Art, 1460
National Gallery of Art, 1971
![Letter to the Mother [right]](https://api.nga.gov/iiif/58c1a613-3c74-46c7-bfdf-949fb99ff1a2/full/843,/0/default.jpg)
![Zwei Köpfe (Two Heads) [p. 13]](https://api.nga.gov/iiif/2633ebe9-82eb-4c7f-9a48-eb91f33d5aa7/full/843,/0/default.jpg)
![Charles V, 1500-1558, King of Spain 1516-1556, Holy Roman Emperor 1519 [obverse]](https://api.nga.gov/iiif/049fe214-5a1e-45c9-ba55-e7b161f4dcb7/full/843,/0/default.jpg)
![Decoy [working proof]](https://api.nga.gov/iiif/edd6b02a-ed2e-48b5-a434-40d08926d416/full/843,/0/default.jpg)