1480–1485
National Gallery of Art, 1710
National Gallery of Art, 1879
National Gallery of Art, 1927
National Gallery of Art, 1940
National Gallery of Art, 1831
National Gallery of Art, 1825
National Gallery of Art, 1920
Kress Foundation, Samuel H., 1445
National Gallery of Art, 1938
National Gallery of Art, 1854
National Gallery of Art, 1387
![Pietro Machiavelli, 1460/1461-1519 [obverse]](https://api.nga.gov/iiif/e84e12a3-1e64-41f6-8005-e51350a40fe2/full/843,/0/default.jpg)
![Sigismondo on a Charger before a Fortress [reverse]](https://api.nga.gov/iiif/77bb30de-10ea-4e7f-9255-5e598597f19e/full/843,/0/default.jpg)
![Saint Bernard and Saint Catherine of Alexandria with the Virgin of the Annunciation [right panel]](https://api.nga.gov/iiif/e6890364-4d99-4684-a62b-5060ee3c3446/full/843,/0/default.jpg)
