1884–1950
National Gallery of Art, 1955
National Gallery of Art, 1938
National Gallery of Art, 1645
National Gallery of Art, 1570
National Gallery of Art, 1911
National Gallery of Art, 1886
National Gallery of Art, 1939
National Gallery of Art, 1940
National Gallery of Art, 1970
National Gallery of Art, 1475
National Gallery of Art, 1767
National Gallery of Art, 1977
![begonnene Skizze eines Gesichts (Initial Sketch of Profile) [p. 45]](https://api.nga.gov/iiif/37f9e7d8-f4a2-44dd-977a-359523dc546c/full/843,/0/default.jpg)
![Costanzo Sforza, 1447-1483, Lord of Pesaro 1473 [obverse]](https://api.nga.gov/iiif/e4121a90-605a-4c00-8866-6d3e8719cfd0/full/843,/0/default.jpg)
