1972
Gemini G.E.L., 1981
Gemini G.E.L., 1969
Frank Stella, 1982
Frank Stella, 1967
Gemini G.E.L., 1979
Frank Stella, 1992
Gemini G.E.L., 1968
Frank Stella, 1970
Gemini G.E.L., 1991
Gemini G.E.L., 1973
Gemini G.E.L., 1972
![Albert Clark [special proof]](https://api.nga.gov/iiif/ebf7c392-eb6c-4c79-84e8-8942900886b3/full/843,/0/default.jpg)
![Fool's House [working proof]](https://api.nga.gov/iiif/5a418233-157f-4045-935d-66594928e009/full/843,/0/default.jpg)
![Face (Black State) [trial proof]](https://api.nga.gov/iiif/8348e835-448a-442c-97dd-1a496ff2d0c4/full/843,/0/default.jpg)