1495–1496
National Gallery of Art, 1889
National Gallery of Art, 1935
National Gallery of Art, 1960
National Gallery of Art, 1622
Dreyfus, Gustave, 1478
National Gallery of Art, 1741
National Gallery of Art, 1600
National Gallery of Art, 1844
National Gallery of Art, 1941
Duveen Brothers, Inc., 1488
National Gallery of Art, 1654
![Janiform Head [reverse]](https://api.nga.gov/iiif/1103420a-8020-4f19-b64b-fad9dbf8d81d/full/843,/0/default.jpg)
![Giovanni Bentivoglio Mounted on a Horse [reverse]](https://api.nga.gov/iiif/b1945cdf-bb36-4048-a6a8-4c8b39a07538/full/843,/0/default.jpg)
![Francesco I Sforza, 1401-1466, 4th Duke of Milan 1450 [obverse]](https://api.nga.gov/iiif/ad69cfeb-85d3-4b0b-9523-c067e1cc45ba/full/843,/0/default.jpg)
