1800
National Gallery of Art, 1833
National Gallery of Art, 1936
National Gallery of Art, 1955
National Gallery of Art, 1966
National Gallery of Art, 1940
National Gallery of Art, 1676
National Gallery of Art, 1959
National Gallery of Art, 1895
National Gallery of Art, 1525
National Gallery of Art, 1969
National Gallery of Art, 1968
![Antoninus Pius, Emperor A.D. 138-161 [obverse]](https://api.nga.gov/iiif/e327949f-f7e7-4204-87ef-0cc529d92e19/full/843,/0/default.jpg)
![Figure 4 [trial proof]](https://api.nga.gov/iiif/4f68c2e2-8598-4f03-b473-0d4a127c6a0e/full/843,/0/default.jpg)
