1934
National Gallery of Art, 1937
National Gallery of Art, 1938
National Gallery of Art, 1818
National Gallery of Art, 1972
National Gallery of Art, 1661
National Gallery of Art, 1969
National Gallery of Art, 1974
National Gallery of Art, 1611
National Gallery of Art, 1940
National Gallery of Art, 1575
National Gallery of Art, 2000
![Gentleness Standing on a Serpent and Holding a Dove [reverse]](https://api.nga.gov/iiif/a4a95d7c-e70b-40e6-80f4-e42a6f7ebcea/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/e4ba38f6-18cb-43cc-ad76-e5df16f251a7/full/843,/0/default.jpg)