1975–1979
National Gallery of Art, 1446
National Gallery of Art, 1662
National Gallery of Art, 1952
National Gallery of Art, 1619
National Gallery of Art, 1958
National Gallery of Art, 1967
National Gallery of Art, 1993
National Gallery of Art, 1987
National Gallery of Art, 1800
National Gallery of Art, 1940
National Gallery of Art, 1500
National Gallery of Art, 1785
![Guarino da Verona, 1374-1460, Humanist [obverse]](https://api.nga.gov/iiif/42b74c40-9fae-4da4-a7c6-ed2f3333d498/full/843,/0/default.jpg)
![Constancy [reverse]](https://api.nga.gov/iiif/7ed9e37a-933f-471c-8057-54658646f7b8/full/843,/0/default.jpg)
