1937
United States Government, 1938
National Gallery of Art, 1869
National Gallery of Art, 1635
National Gallery of Art, 1909
United States Government, 1936
National Gallery of Art, 1738
National Gallery of Art, 1612
National Gallery of Art, 1938
National Gallery of Art, 1939
National Gallery of Art, 1866
National Gallery of Art, 1835
National Gallery of Art, 1968
![Centennial of the Birth of Charles Darwin, 1809-1882 [obverse]](https://api.nga.gov/iiif/71fc3a36-cbe5-45df-849d-883c56794f65/full/843,/0/default.jpg)
![Tablet Litho 13 [left sheet]](https://api.nga.gov/iiif/3b48c75b-0314-473c-89b0-15a344cb7f03/full/843,/0/default.jpg)