1878–1898
National Gallery of Art, 1889
National Gallery of Art, 1955
National Gallery of Art, 1884
National Gallery of Art, 1950
National Gallery of Art, 1989
National Gallery of Art, 1936
National Gallery of Art, 1630
National Gallery of Art, 1941
National Gallery of Art, 1875
National Gallery of Art, 1926
National Gallery of Art, 1638
National Gallery of Art, 1560
![Zwei Köpfe, Zuschauer (Two Spectators) [p. 20]](https://api.nga.gov/iiif/1fe7b055-83e6-4e69-b6b9-40cc89b8acc5/full/843,/0/default.jpg)
![Lomazzo Bowing to Mercury and Fortune [reverse]](https://api.nga.gov/iiif/b7332c44-9a26-4f2e-9776-4be862a552ac/full/843,/0/default.jpg)