1966
National Gallery of Art, 1450
National Gallery of Art, 1938
National Gallery of Art, 1502
National Gallery of Art, 1537
National Gallery of Art, 1828
National Gallery of Art, 1978
National Gallery of Art, 1837
National Gallery of Art, 1897
Frank, Robert, 1956
National Gallery of Art, 1923
National Gallery of Art, 1906
National Gallery of Art, 1962
![Cosimo I de' Medici, 1519-1574, 2nd Duke of Florence 1537, later Grand Duke of Tuscany 1569 [obverse]](https://api.nga.gov/iiif/54b82448-2925-4233-aa48-f9107075d455/full/843,/0/default.jpg)
