1936
National Gallery of Art, 1480
National Gallery of Art, 1941
National Gallery of Art, 1937
National Gallery of Art, 1997
National Gallery of Art, 1837
Williams, Dave H. and Reba W., 1932
National Gallery of Art, 1827
National Gallery of Art, 1962
National Gallery of Art, 1890
National Gallery of Art, 1920
![Pietro Machiavelli, 1460/1461-1519 [obverse]](https://api.nga.gov/iiif/e84e12a3-1e64-41f6-8005-e51350a40fe2/full/843,/0/default.jpg)
![Green Angel 2 [2nd element proof]](https://api.nga.gov/iiif/ab42f1df-5ce1-47c6-b59d-7f3870513eb6/full/843,/0/default.jpg)
