1938
National Gallery of Art, 1862
National Gallery of Art, 1980
National Gallery of Art, 1931
National Gallery of Art, 1961
National Gallery of Art, 1845
National Gallery of Art, 1929
National Gallery of Art, 1930
National Gallery of Art, 1608
National Gallery of Art, 1924
Williams, Dave H. and Reba W., 1931
National Gallery of Art, 1525
National Gallery of Art, 1935
![Antoninus Pius, Emperor A.D. 138-161 [obverse]](https://api.nga.gov/iiif/e327949f-f7e7-4204-87ef-0cc529d92e19/full/843,/0/default.jpg)
