1940
National Gallery of Art, 1789
National Gallery of Art, 1992
National Gallery of Art, 1621
National Gallery of Art, 2004
National Gallery of Art, 1971
National Gallery of Art, 1927
National Gallery of Art, 1651
National Gallery of Art, 1987
National Gallery of Art, 1935
National Gallery of Art, 1960
National Gallery of Art, 1918
National Gallery of Art, 1937
![Exchange [working proof 4]](https://api.nga.gov/iiif/ac60c0be-3ab8-426e-986a-b4355769f05f/full/843,/0/default.jpg)
![Bent "Blue" [trial proof]](https://api.nga.gov/iiif/6c16a652-4a4b-4312-aa13-6b06e67ae8e6/full/843,/0/default.jpg)
