1958–1968
National Gallery of Art, 1600
National Gallery of Art, 1898
National Gallery of Art, 1662
National Gallery of Art, 1642
National Gallery of Art, 1831
National Gallery of Art, 1929
National Gallery of Art, 1590
National Gallery of Art, 1982
National Gallery of Art, 1951
National Gallery of Art, 2004
National Gallery of Art, 1633
National Gallery of Art, 1837
![Herbert Hoover Inaugural Medal [obverse]](https://api.nga.gov/iiif/963324e0-fa85-453d-9e07-93eb16e6ed60/full/843,/0/default.jpg)
![Exchange [working proof 1]](https://api.nga.gov/iiif/21306646-3a70-42d5-8fbb-35c4008f6edb/full/843,/0/default.jpg)
