1980–1981
Gemini G.E.L., 1971
Gemini G.E.L., 1981
Gemini G.E.L., 1969
Gemini G.E.L., 1970
Gemini G.E.L., 1977
Gemini G.E.L., 1973
Ronald Davis, 1980
Gemini G.E.L., 1982
Gemini G.E.L., 1974
![Drypoint Delta [special proof]](https://api.nga.gov/iiif/6467a0f7-a7ae-40fc-98b2-b27ea13e71b0/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/17d4eecb-2468-4729-8495-11b344ebf8ad/full/843,/0/default.jpg)
![Coathanger and Spoon [proof]](https://api.nga.gov/iiif/6cd70cc0-3dc2-47bd-af93-02136cc0c7dc/full/843,/0/default.jpg)