1971
National Gallery of Art, 1936
National Gallery of Art, 1970
National Gallery of Art, 1606
National Gallery of Art, 1937
National Gallery of Art, 1837
National Gallery of Art, 1901
National Gallery of Art, 1641
Bruce Fund, Ailsa Mellon, 1754
National Gallery of Art, 1869
National Gallery of Art, 1972
National Gallery of Art, 1940
National Gallery of Art, 1938
![Two Flags [trial proof]](https://api.nga.gov/iiif/07b14d11-fcb0-46d6-82eb-2a3815c0b58d/full/843,/0/default.jpg)
