1450–1549
National Gallery of Art, 1971
National Gallery of Art, 1940
National Gallery of Art, 1890
National Gallery of Art, 1955
Duveen Brothers, Inc., 1472
National Gallery of Art, 2003
National Gallery of Art, 1937
National Gallery of Art, 1864
National Gallery of Art, 1936
National Gallery of Art, 1905
![Untitled [model leaning on a stand]](https://api.nga.gov/iiif/6329610b-25e2-4960-b3cd-94c61762376d/full/843,/0/default.jpg)
![Ercole I d'Este, 1431-1505, Duke of Ferrara, Modena, and Reggio 1471 [obverse]](https://api.nga.gov/iiif/e36de80b-e494-4c81-adfd-dfaef8b04dbb/full/843,/0/default.jpg)
