1974
Gemini G.E.L., 1983
Frank Stella, 1971
Gemini G.E.L., 1973
Frank Stella, 1962
Frank Stella, 1970
Gemini G.E.L., 1990
Gemini G.E.L., 1968
Gemini G.E.L., 1991
Gemini G.E.L., 1967
Gemini G.E.L., 1981
![Face [proof]](https://api.nga.gov/iiif/c288566b-590f-49dc-bc8e-46d8c32b1ec7/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/f9249fd6-cbd8-4cd7-8718-be48f7167357/full/843,/0/default.jpg)