1938–1941
National Gallery of Art, 1480
National Gallery of Art, 1797
National Gallery of Art, 1943
National Gallery of Art, 1964
National Gallery of Art, 2000
National Gallery of Art, 1577
National Gallery of Art, 1949
National Gallery of Art, 1941
National Gallery of Art, 1490
National Gallery of Art, 1917
National Gallery of Art, 1861
National Gallery of Art, 1541
![Alessandro de' Medici, 1510-1537, 1st Duke of Florence 1532 [obverse]](https://api.nga.gov/iiif/7599eeda-41ce-48fa-a62d-701079f63329/full/843,/0/default.jpg)