1878–1880
National Gallery of Art, 1598
National Gallery of Art, 1913
National Gallery of Art, 1550
National Gallery of Art, 1857
National Gallery of Art, 1977
National Gallery of Art, 1538
National Gallery of Art, 1620
National Gallery of Art, 1937
National Gallery of Art, 1983
National Gallery of Art, 1935
National Gallery of Art, 1654
National Gallery of Art, 1799
![Unicorn Before a High Rock [reverse]](https://api.nga.gov/iiif/8c53e610-464f-4169-b18f-9fefed8dddb2/full/843,/0/default.jpg)
