1980
National Gallery of Art, 1979
National Gallery of Art, 1936
National Gallery of Art, 1925
National Gallery of Art, 1930
National Gallery of Art, 1647
National Gallery of Art, 1622
National Gallery of Art, 1860
National Gallery of Art, 1951
National Gallery of Art, 1938
National Gallery of Art, 1624
National Gallery of Art, 1939
National Gallery of Art, 2001
![3 Flags for 1 Space and 6 Regions [center right panel]](https://api.nga.gov/iiif/30814d06-bb71-462a-afc1-73cead985b07/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/49d6d6cb-fa28-4245-8c32-9750de912dc9/full/843,/0/default.jpg)