1934
National Gallery of Art, 1940
National Gallery of Art, 1742
National Gallery of Art, 1820
National Gallery of Art, 1974
National Gallery of Art, 1933
National Gallery of Art, 1962
National Gallery of Art, 1899
National Gallery of Art, 1920
National Gallery of Art, 1450
National Gallery of Art, 1500
National Gallery of Art, 1843
![Inscription [reverse]](https://api.nga.gov/iiif/3e4bcbf6-6c5f-4e41-b478-b188d6341541/full/843,/0/default.jpg)
![Saint Christopher [recto]](https://api.nga.gov/iiif/76f982fd-22cb-4fdd-a8e6-4b148cf4ff67/full/843,/0/default.jpg)
![Saint Ambrose [reverse]](https://api.nga.gov/iiif/495f061c-d6b6-4e5f-949c-ad2edf6b5336/full/843,/0/default.jpg)
![Lodovico Maria Sforza, called il Moro, 1451-1508, Regent 1480-1494 [reverse]](https://api.nga.gov/iiif/3f08f472-d2d8-4727-87c4-704616905e0a/full/843,/0/default.jpg)