1977
Gemini G.E.L., 1986
Gemini G.E.L., 1972
Gemini G.E.L., 1969
Gemini G.E.L., 1991
Gemini G.E.L., 1987
Gemini G.E.L., 1976
Benjamin B. Smith, 1975
Gemini G.E.L., 1980
Gemini G.E.L., 1971
Gemini G.E.L., 1974
Gemini G.E.L., 1977
![#6 (after 'Untitled 1975') [progressive proof 4]](https://api.nga.gov/iiif/83811d43-0371-4a80-893c-14df34d5290f/full/843,/0/default.jpg)
![Two Flags [trial proof D]](https://api.nga.gov/iiif/b8cbc60f-5bad-4069-be4e-bf1814e92014/full/843,/0/default.jpg)
![Self-Portrait [special proof]](https://api.nga.gov/iiif/bc94a45e-3abf-4c3a-a193-b2c3642b4aaf/full/843,/0/default.jpg)
![Untitled [working proof]](https://api.nga.gov/iiif/1acceaab-41c1-4aea-a615-a2d129f6b6cd/full/843,/0/default.jpg)
![0 through 9 [working proof]](https://api.nga.gov/iiif/349897f0-c23b-4560-843c-7ffbf7953eb1/full/843,/0/default.jpg)