1920
National Gallery of Art, 1590
National Gallery of Art, 1972
National Gallery of Art, 1661
National Gallery of Art, 1595
National Gallery of Art, 1645
National Gallery of Art, 1662
National Gallery of Art, 1863
National Gallery of Art, 1964
National Gallery of Art, 1897
National Gallery of Art, 1540
Escher, M.C., 1959
National Gallery of Art, 1966
![Viola [trial proof 3]](https://api.nga.gov/iiif/b1a504b1-0ce5-4273-bab6-3f6b6339f29e/full/843,/0/default.jpg)
![King Charles II in Coronation Robes [obverse]](https://api.nga.gov/iiif/56eeb3af-4107-4e34-b613-adfebd647cc2/full/843,/0/default.jpg)
![Passage I [misc. proof]](https://api.nga.gov/iiif/df05f0e7-f885-4835-81f9-7a5b9a2c133b/full/843,/0/default.jpg)