American
Yunan (State III) [artist's proof]
Yunan (State I) [artist's proof]
WEG III from White Embossings on Gray
Hinged Canvas [trial proof]
, 1971
![Yunan (State III) [artist's proof]](https://api.nga.gov/iiif/4d5cd6e8-de39-424e-b601-1049ad681b24/full/843,/0/default.jpg)
![Yunan (State I) [artist's proof]](https://api.nga.gov/iiif/d8a9a906-47c1-4840-92eb-1169a5d80343/full/843,/0/default.jpg)
![Hinged Canvas [trial proof]](https://api.nga.gov/iiif/087635d2-317e-400b-9248-17a0efc212b4/full/843,/0/default.jpg)
![Hinged Canvas [working proof]](https://api.nga.gov/iiif/055e0103-4f55-430d-a6ba-69251020d4d0/full/843,/0/default.jpg)
![Hinged Canvas [working proof]](https://api.nga.gov/iiif/5b33088c-1b2c-4997-8976-108b97ca48e8/full/843,/0/default.jpg)
![Hinged Canvas [working proof]](https://api.nga.gov/iiif/a6ae14d2-058f-49b6-bdce-be6cd9b9cd0d/full/843,/0/default.jpg)
