1994
National Gallery of Art, 1952
National Gallery of Art, 1966
National Gallery of Art, 1840
National Gallery of Art, 1558
National Gallery of Art, 1956
National Gallery of Art, 1957
National Gallery of Art, 1935
National Gallery of Art, 1984
National Gallery of Art, 1909
National Gallery of Art, 1938
National Gallery of Art, 1960
National Gallery of Art, 1936
![Ruler [trial proof]](https://api.nga.gov/iiif/c07992cb-f61c-4407-9519-94e7dcf40089/full/843,/0/default.jpg)
![Lucrezia de' Medici, 1545-1561, Daughter of Cosimo I, First Wife of Alfonso II d'Este 1558 [reverse]](https://api.nga.gov/iiif/956dacfa-9a97-4a64-aec7-6b1a03e2fcd3/full/843,/0/default.jpg)
