1963
National Gallery of Art, 1963
National Gallery of Art, 1620
Patrons' Permanent Fund, 1971
National Gallery of Art, 1970
National Gallery of Art, 1933
National Gallery of Art, 1972
National Gallery of Art, 1673
National Gallery of Art, 1936
National Gallery of Art, 1945
National Gallery of Art, 1400
National Gallery of Art, 1748
National Gallery of Art, 1852
![Pinion [verso] [experimental proof]](https://api.nga.gov/iiif/9bcbae74-ec7c-4c28-92b2-b2168e545ccd/full/843,/0/default.jpg)
![Coathanger and Spoon [proof]](https://api.nga.gov/iiif/349401ac-7c1a-44b3-b5f1-15064ec2ee4c/full/843,/0/default.jpg)
![Ercole I d'Este, 1431-1505, 2nd Duke of Ferrara, Modena, and Reggio 1471 [obverse]](https://api.nga.gov/iiif/c2dd513b-923b-4462-b938-f0b8ae488438/full/843,/0/default.jpg)
