1540–1543
National Gallery of Art, 1857
National Gallery of Art, 1845
National Gallery of Art, 2002
National Gallery of Art, 1808
National Gallery of Art, 1998
National Gallery of Art, 1969
National Gallery of Art, 1935
National Gallery of Art, 1565
National Gallery of Art, 1912
National Gallery of Art, 1938
National Gallery of Art, 1519
National Gallery of Art, 1943
![UFO [working proof 4]](https://api.nga.gov/iiif/a20f2d8e-f7fb-4fd3-bd9a-c0d9cb643bb0/full/843,/0/default.jpg)
![Reclining Bovine [reverse]](https://api.nga.gov/iiif/483e7ace-afa2-41c6-a8b8-407354b53118/full/843,/0/default.jpg)
