1967
Gemini G.E.L., 1977
Gemini G.E.L., 1978
Frank Stella, 1972
Gemini G.E.L., 1971
Gemini G.E.L., 1982
Gemini G.E.L., 1969
Gemini G.E.L., 1988
Gemini G.E.L., 1980
Frank Stella, 1970
Gemini G.E.L., 1979
Frank Stella, 2022
![Coathanger and Spoon [proof]](https://api.nga.gov/iiif/6cd70cc0-3dc2-47bd-af93-02136cc0c7dc/full/843,/0/default.jpg)
![Figure 0 [trial proof]](https://api.nga.gov/iiif/63fe52a2-5065-4d46-b6db-11e71dcc1ab3/full/843,/0/default.jpg)
![Two Flags [trial proof C]](https://api.nga.gov/iiif/ac692c0c-0101-4523-be8a-daa4b4c23a73/full/843,/0/default.jpg)
![Cicada [working proof]](https://api.nga.gov/iiif/48f7ed65-bd54-4fba-a832-9c937c40a8c3/full/843,/0/default.jpg)
