1876
National Gallery of Art, 1884
National Gallery of Art, 1570
National Gallery of Art, 1495
National Gallery of Art, 1885
National Gallery of Art, 1927
National Gallery of Art, 1880
National Gallery of Art, 1903
National Gallery of Art, 1585
National Gallery of Art, 1500
National Gallery of Art, 1971
National Gallery of Art, 1731
National Gallery of Art, 1911
![Three Studies of Men's Heads, One with Spectacles; Dogs, Children, and Two Bearded Men in Profile [verso]](https://api.nga.gov/iiif/d887b77d-6aaf-462d-8ffe-bf04e09c004f/full/843,/0/default.jpg)
![Carlo II, 1486-1553, 9th Duke of Savoy 1504 [obverse]](https://api.nga.gov/iiif/b3ba8bb7-e38f-487a-ae80-7dc3c0be75cf/full/843,/0/default.jpg)
