1970–1980
National Gallery of Art, 1937
National Gallery of Art, 1894
National Gallery of Art, 1899
National Gallery of Art, 1915
National Gallery of Art, 1935
National Gallery of Art, 1567
National Gallery of Art, 1845
National Gallery of Art, 1855
National Gallery of Art, 1440
National Gallery of Art, 1660
![Cosimo I de' Medici, 1519-1574, Duke of Florence 1537 [obverse]](https://api.nga.gov/iiif/e47168a7-b573-42a4-8db1-378f2f994d5e/full/843,/0/default.jpg)
