1908–1909
National Gallery of Art, 1926
National Gallery of Art, 1919
National Gallery of Art, 1921
National Gallery of Art, 1936
National Gallery of Art, 1912
National Gallery of Art, 1631
National Gallery of Art, 1954
National Gallery of Art, 1956
National Gallery of Art, 1561
National Gallery of Art, 1832
National Gallery of Art, 1643
National Gallery of Art, 1960
![The Porta Pia, Rome [reverse]](https://api.nga.gov/iiif/20de311d-df5d-4439-b57e-797b147357a3/full/843,/0/default.jpg)
