1978
Gemini G.E.L., 1986
Gemini G.E.L., 1971
Gemini G.E.L., 1980
Benjamin B. Smith, 1974
Ellsworth Kelly, 1979
Gemini G.E.L., 1970
Gemini G.E.L., 1981
Gemini G.E.L., 1990
Ellsworth Kelly, 1970
Gemini G.E.L., 1969
![Good Time Charley II [trial proof]](https://api.nga.gov/iiif/3e6a4d51-f16d-42c7-829b-3169b5579d3f/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/54ee8c85-780c-4f23-921e-08f8545ea86d/full/843,/0/default.jpg)
![Hinged Canvas [working proof]](https://api.nga.gov/iiif/055e0103-4f55-430d-a6ba-69251020d4d0/full/843,/0/default.jpg)
![Figure 0 [experimental proof]](https://api.nga.gov/iiif/d3f97aa7-57b5-4ec1-b233-743f270a070b/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/d03ec2ca-36e8-40fb-bbf0-372b46bced25/full/843,/0/default.jpg)