1968
Frank, Robert, 1956
National Gallery of Art, 1798
National Gallery of Art, 1935
National Gallery of Art, 1931
National Gallery of Art, 1723
National Gallery of Art, 1979
National Gallery of Art, 1936
National Gallery of Art, 1809
National Gallery of Art, 1938
National Gallery of Art, 1634
National Gallery of Art, 1853
National Gallery of Art, 1941
![3 Flags for 1 Space and 6 Regions [top right panel]](https://api.nga.gov/iiif/868e5469-bd69-4186-ac77-bc8e06189abd/full/843,/0/default.jpg)
