1947
National Gallery of Art, 1980
National Gallery of Art, 1920
National Gallery of Art, 1501
National Gallery of Art, 1935
National Gallery of Art, 1936
National Gallery of Art, 1964
National Gallery of Art, 1923
National Gallery of Art, 1991
National Gallery of Art, 1938
National Gallery of Art, 1899
National Gallery of Art, 1972
National Gallery of Art, 1821
![Two Flags [trial proof]](https://api.nga.gov/iiif/e01f936f-b797-481d-a6a7-99fbc808b180/full/843,/0/default.jpg)
