1967–1970
National Gallery of Art, 1959
National Gallery of Art, 1933
National Gallery of Art, 1819
National Gallery of Art, 1645
National Gallery of Art, 1620
National Gallery of Art, 1939
National Gallery of Art, 1893
National Gallery of Art, 1926
National Gallery of Art, 1931
National Gallery of Art, 1865
National Gallery of Art, 1836
National Gallery of Art, 1910
![Flags II [trial proof]](https://api.nga.gov/iiif/9f010b4d-1f11-4448-bf9a-ccc0c4ba4a2a/full/843,/0/default.jpg)
