1997
National Gallery of Art, 1777
National Gallery of Art, 1922
National Gallery of Art, 1959
National Gallery of Art, 1935
National Gallery of Art, 1500
National Gallery of Art, 1958
National Gallery of Art, 1916
National Gallery of Art, 1937
National Gallery of Art, 1817
National Gallery of Art, 1939
National Gallery of Art, 1847
![Study VI, New York Harbor [#18, brown and brown-green]](https://api.nga.gov/iiif/7c0b78bc-4ce4-49a9-afad-3ee9e9a3bd5b/full/843,/0/default.jpg)
![Antinous on a Griffin [reverse]](https://api.nga.gov/iiif/f70816a5-2796-4922-a81e-307222ee65a2/full/843,/0/default.jpg)
