1400–1499
National Gallery of Art, 1851
National Gallery of Art, 1640
National Gallery of Art, 1941
National Gallery of Art, 1556
National Gallery of Art, 1884
Kress Foundation, Samuel H., 1519
National Gallery of Art, 1942
National Gallery of Art, 1939
National Gallery of Art, 1590
Kress Foundation, Samuel H., 1541
National Gallery of Art, 1732
![Inscription [reverse]](https://api.nga.gov/iiif/98edc4fa-1bfb-4f65-a593-795e3751c522/full/843,/0/default.jpg)
![Zuschauer (Spectators) [p. 23]](https://api.nga.gov/iiif/09f0ebf7-3d6d-4ce6-b3e2-a25bb2addbad/full/843,/0/default.jpg)
![Man Playing Piano; Two Sheep [verso]](https://api.nga.gov/iiif/9984992f-e69d-4727-aed5-dfcfb0c2f8cf/full/843,/0/default.jpg)
![Federigo II Gonzaga, 1500-1540, 5th Marquess of Mantua 1519 and 1st Duke of Mantua 1530 [obverse]](https://api.nga.gov/iiif/2341f9bf-075c-4b05-b801-5a484a8946d7/full/843,/0/default.jpg)
![Andrea Doria, 1466-1560, Genoese Admiral [obverse]](https://api.nga.gov/iiif/0bed3291-cfaf-414c-b514-167ae274fed5/full/843,/0/default.jpg)
