1969–1970
Gemini G.E.L., 1974
Gemini G.E.L., 1965
Gemini G.E.L., 1969
Gemini G.E.L., 1986
Gemini G.E.L., 1993
Gemini G.E.L., 1971
Gemini G.E.L., 1981
Gemini G.E.L., 1973
Roy Lichtenstein, 1951
Gemini G.E.L., 1989
Gemini G.E.L., 2002
![Figure 4 [experimental trial proof]](https://api.nga.gov/iiif/751d8a1e-a0dc-4d55-9070-cb1081769801/full/843,/0/default.jpg)
![Slow Rise [special proof]](https://api.nga.gov/iiif/bc4abe09-fed2-465f-aa83-bdf59640bae3/full/843,/0/default.jpg)
![Leg and Chair [proof]](https://api.nga.gov/iiif/c21f156b-dee3-406e-89a6-4405ef6487c8/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/cd1d34b3-9acb-490b-9940-21f739dff4f7/full/843,/0/default.jpg)
![Night Sky 1 (Reversed) [special proof]](https://api.nga.gov/iiif/84474991-f0c6-4ce2-b7ac-bdc5479f0cc6/full/843,/0/default.jpg)