1420–1560
National Gallery of Art, 1965
National Gallery of Art, 1500
National Gallery of Art, 1763
National Gallery of Art, 1936
National Gallery of Art, 1935
National Gallery of Art, 1600
National Gallery of Art, 1807
National Gallery of Art, 1475
National Gallery of Art, 1607
Duveen Brothers, Inc., 1541
National Gallery of Art, 1837
![Cosimo I de' Medici, 1519-1574, 2nd Duke of Florence 1537, later Grand Duke of Tuscany 1569 [reverse]](https://api.nga.gov/iiif/989e4815-62b5-4848-9f69-4fd19d451a8e/full/843,/0/default.jpg)
