1861–1869
National Gallery of Art, 1607
National Gallery of Art, 1896
National Gallery of Art, 1819
National Gallery of Art, 1974
National Gallery of Art, 1927
National Gallery of Art, 1935
National Gallery of Art, 1972
National Gallery of Art, 1946
National Gallery of Art, 1861
National Gallery of Art, 1948
National Gallery of Art, 1898
National Gallery of Art, 1969
![Two Flags [trial proof]](https://api.nga.gov/iiif/6a3913a1-38bd-46b8-abbe-08fbf24c7aae/full/843,/0/default.jpg)
