1964–1969
National Gallery of Art, 1658
National Gallery of Art, 1500
National Gallery of Art, 1939
National Gallery of Art, 1402
National Gallery of Art, 1837
National Gallery of Art, 1601
National Gallery of Art, 1937
National Gallery of Art, 1974
National Gallery of Art, 1600
National Gallery of Art, 1941
![Constantine the Great, Roman Emperor 307-337 [obverse]](https://api.nga.gov/iiif/bb58434d-30c7-4b82-bcfc-6ec72c577644/full/843,/0/default.jpg)
