1916
National Gallery of Art, 1480
National Gallery of Art, 1490
National Gallery of Art, 1913
National Gallery of Art, 1933
National Gallery of Art, 1947
National Gallery of Art, 1864
National Gallery of Art, 2006
National Gallery of Art, 1592
National Gallery of Art, 1742
National Gallery of Art, 1935
National Gallery of Art, 1612
National Gallery of Art, 1815
![Springing Unicorn and Tau Cross [reverse]](https://api.nga.gov/iiif/65e15a24-59a1-4638-9a24-90adf47e92bc/full/843,/0/default.jpg)
![Still [working proof 7]](https://api.nga.gov/iiif/54439ad5-e999-4acc-afdc-a2650a59bfd0/full/843,/0/default.jpg)
