1847–1848
National Gallery of Art, 1946
National Gallery of Art, 1948
Mellon, Paul, 1900
National Gallery of Art, 1470
National Gallery of Art, 1495
National Gallery of Art, 1553
National Gallery of Art, 1940
National Gallery of Art, 1937
National Gallery of Art, 1911
National Gallery of Art, 1938
National Gallery of Art, 1824
National Gallery of Art, 1964
![Vigilance [reverse]](https://api.nga.gov/iiif/10b45115-8b1c-4123-80b8-33f271c3e734/full/843,/0/default.jpg)
