1731
National Gallery of Art, 1943
National Gallery of Art, 1916
National Gallery of Art, 1876
National Gallery of Art, 1627
National Gallery of Art, 1490
National Gallery of Art, 1475
National Gallery of Art, 1936
National Gallery of Art, 1989
National Gallery of Art, 1976
National Gallery of Art, 1961
National Gallery of Art, 1937
![The Royal Palace, Stockholm [reverse]](https://api.nga.gov/iiif/deebbd62-e9f4-4466-a139-12b29238d238/full/843,/0/default.jpg)
![Costanzo Sforza, 1447-1483, Lord of Pesaro 1473 [obverse]](https://api.nga.gov/iiif/0543c934-8ac6-408e-9187-05db28f9921e/full/843,/0/default.jpg)
![Light Bulb [working proof]](https://api.nga.gov/iiif/a4303f78-fe57-4f8f-9fb0-78d9b7ced8ca/full/843,/0/default.jpg)
