1925
National Gallery of Art, 1827
National Gallery of Art, 1940
National Gallery of Art, 1968
National Gallery of Art, 1950
National Gallery of Art, 1622
National Gallery of Art, 1837
National Gallery of Art, 1599
National Gallery of Art, 1937
National Gallery of Art, 1982
National Gallery of Art, 1520
National Gallery of Art, 1486
National Gallery of Art, 1989
![Untitled [Serie Op. Oval]](https://api.nga.gov/iiif/ebd5c8ea-9bbc-4b19-ae1a-8048cf281e74/full/843,/0/default.jpg)
![Peace is Life [obverse]](https://api.nga.gov/iiif/e8ea2a19-fbd8-4437-a4d3-1cab5e4c0246/full/843,/0/default.jpg)
