1940
National Gallery of Art, 1892
National Gallery of Art, 1929
National Gallery of Art, 1556
National Gallery of Art, 1639
National Gallery of Art, 1948
National Gallery of Art, 1939
National Gallery of Art, 1936
National Gallery of Art, 1802
National Gallery of Art, 1848
National Gallery of Art, 1602
National Gallery of Art, 1473
![Sigismondo d'Este, 1433-1507, Son of Niccolo III d'Este [obverse]](https://api.nga.gov/iiif/db08c6cb-a3ef-478b-9186-9d12e37f3561/full/843,/0/default.jpg)