1740–1860
National Gallery of Art, 1534
National Gallery of Art, 1625
Rosenwald, Lessing Julius, 1948
National Gallery of Art, 1962
National Gallery of Art, 1937
National Gallery of Art, 1935
National Gallery of Art, 1970
National Gallery of Art, 1914
National Gallery of Art, 1874
Rosenwald, Lessing Julius, 1875
![Two Flags [trial proof]](https://api.nga.gov/iiif/07b14d11-fcb0-46d6-82eb-2a3815c0b58d/full/843,/0/default.jpg)
