1970
Gemini G.E.L., 1974
Gemini G.E.L., 1972
Frank Stella, 1967
Gemini G.E.L., 1970
Gemini G.E.L., 1992
Frank Stella, 1970
Gemini G.E.L., 1976
Gemini G.E.L., 1978
Gemini G.E.L., 1990
Gemini G.E.L., 1983
Gemini G.E.L., 1975
![Viola [trial proof 3]](https://api.nga.gov/iiif/b1a504b1-0ce5-4273-bab6-3f6b6339f29e/full/843,/0/default.jpg)
![Ale Cans [trial proof C]](https://api.nga.gov/iiif/40a991d7-36e8-405f-a90e-59ad2bdbfde7/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/7b8f2079-eeb2-4cf0-8aac-466c4e4ea0e5/full/843,/0/default.jpg)