1963
National Gallery of Art, 1613
National Gallery of Art, 1867
National Gallery of Art, 1655
National Gallery of Art, 1936
National Gallery of Art, 1964
National Gallery of Art, 1943
National Gallery of Art, 1979
National Gallery of Art, 1505
National Gallery of Art, 1933
National Gallery of Art, 1561
National Gallery of Art, 1942
National Gallery of Art, 1513
![Cosimo I de' Medici, 1519-1574, 2nd Duke of Florence 1537, later Grand Duke of Tuscany [obverse]](https://api.nga.gov/iiif/2e872fac-dd6c-4306-917f-01f760765614/full/843,/0/default.jpg)
![Giuliano II de' Medici, 1479-1516, Duc de Nemours 1515 [obverse]](https://api.nga.gov/iiif/b1d4d8d1-c03a-403d-bced-0352a9702dc3/full/843,/0/default.jpg)