1958
National Gallery of Art, 1624
National Gallery of Art, 1894
National Gallery of Art, 1986
National Gallery of Art, 1489
National Gallery of Art, 1485
National Gallery of Art, 1927
National Gallery of Art, 1955
National Gallery of Art, 1514
National Gallery of Art, 1441
National Gallery of Art, 1939
National Gallery of Art, 1513
Patrons' Permanent Fund, 1964
![Guillaume de Poitiers, died 1503, Marquis de Cotrone [obverse]](https://api.nga.gov/iiif/4cdb68dc-4d28-45c0-a6d5-b4dc0f7f1064/full/843,/0/default.jpg)
![Leonello d'Este, 1407-1450, Marquess of Ferrara 1441 [obverse]](https://api.nga.gov/iiif/58cb7c40-e9d3-4ab3-a06f-a2f6cf5ada57/full/843,/0/default.jpg)
