1915
National Gallery of Art, 1887
National Gallery of Art, 1999
National Gallery of Art, 1841
National Gallery of Art, 1938
National Gallery of Art, 1935
National Gallery of Art, 1520
National Gallery of Art, 1920
National Gallery of Art, 1731
National Gallery of Art, 1943
National Gallery of Art, 1775
National Gallery of Art, 1940
![Fortress with a Tall Tree [reverse]](https://api.nga.gov/iiif/2b7437a1-e307-4c60-9033-1d957e7dc62e/full/843,/0/default.jpg)
![Visconti Viper (bischera) [reverse]](https://api.nga.gov/iiif/80f27d54-8d4a-4556-81c3-ebe96c8947fb/full/843,/0/default.jpg)
