1550
National Gallery of Art, 1962
National Gallery of Art, 1899
National Gallery of Art, 1949
National Gallery of Art, 1955
National Gallery of Art, 1935
National Gallery of Art, 1919
National Gallery of Art, 1986
National Gallery of Art, 1480
National Gallery of Art, 1968
National Gallery of Art, 1636
National Gallery of Art, 1970
National Gallery of Art, 1562
![The Dioscuri [Dorsal View]](https://api.nga.gov/iiif/4f498da9-e427-4c16-8ce8-1b4432fc55a8/full/843,/0/default.jpg)
![Untitled [abstraction]](https://api.nga.gov/iiif/4f49376e-eb50-4054-92d9-150dd758cda1/full/843,/0/default.jpg)
![Giambattista Castaldi, 1493-after 1565, Count of Piadena and Cassano [obverse]](https://api.nga.gov/iiif/9dac2615-f1f6-44d8-9b47-e30500290ae5/full/843,/0/default.jpg)