1988
National Gallery of Art, 1955
National Gallery of Art, 1973
National Gallery of Art, 1547
National Gallery of Art, 1540
National Gallery of Art, 1999
National Gallery of Art, 1923
National Gallery of Art, 1936
National Gallery of Art, 1745
National Gallery of Art, 1937
National Gallery of Art, 1939
![Citadel of Piacenza [reverse]](https://api.nga.gov/iiif/46df1860-ba58-47e7-9ff4-57a20fe77ca5/full/843,/0/default.jpg)
