1964–1969
National Gallery of Art, 1929
National Gallery of Art, 1635
National Gallery of Art, 1835
National Gallery of Art, 1955
National Gallery of Art, 1890
National Gallery of Art, 1965
National Gallery of Art, 1991
National Gallery of Art, 1645
National Gallery of Art, 1940
National Gallery of Art, 1972
National Gallery of Art, 1735
National Gallery of Art, 1848
![Money (with Space Between) [special proof]](https://api.nga.gov/iiif/0ccfba5c-2337-4979-896b-7436b3ebcc95/full/843,/0/default.jpg)
![Souvenir I [trial proof]](https://api.nga.gov/iiif/7dc37f28-64de-43f8-82ef-1a5ebdc4699e/full/843,/0/default.jpg)
