1938
National Gallery of Art, 1600
National Gallery of Art, 1935
National Gallery of Art, 1818
National Gallery of Art, 1662
National Gallery of Art, 1848
National Gallery of Art, 1587
National Gallery of Art, 1628
National Gallery of Art, 1938
National Gallery of Art, 1940
National Gallery of Art, 1937
National Gallery of Art, 1755
![Euclid [obverse]](https://api.nga.gov/iiif/1ffa27cd-115d-4025-b199-91b853e35d8e/full/843,/0/default.jpg)
![Insel Hospital, Bern [reverse]](https://api.nga.gov/iiif/5d1d512c-258b-45fe-905f-7f49294550fb/full/843,/0/default.jpg)
