1966
Patrons' Permanent Fund, 1775
National Gallery of Art, 1645
National Gallery of Art, 1804
National Gallery of Art, 1808
National Gallery of Art, 1715
National Gallery of Art, 1800
National Gallery of Art, 1818
National Gallery of Art, 1908
National Gallery of Art, 1492
National Gallery of Art, 1968
National Gallery of Art, 1935
National Gallery of Art, 1988
![Light Bulb [proof]](https://api.nga.gov/iiif/52a33dca-3dda-44b3-b0ee-caca0244791b/full/843,/0/default.jpg)
![Alexander VI (Rodrigo Borgia, c. 1431-1503), Pope 1492 [obverse]](https://api.nga.gov/iiif/6f26c189-bad2-4baf-a4ae-c750adf95f52/full/843,/0/default.jpg)
