1985–1991
Gemini G.E.L., 1970
Gemini G.E.L., 1980
Gemini G.E.L., 1967
Gemini G.E.L., 1996
Gemini G.E.L., 1981
Gemini G.E.L., 1968
Gemini G.E.L., 1976
Gemini G.E.L., 1983
![Berlin Dream Stamp (Negative Version) [special proof]](https://api.nga.gov/iiif/5e24a916-789d-4e7c-8e47-cfc82a8bba22/full/843,/0/default.jpg)
![#6 (after 'Untitled 1975') [progressive proof 6]](https://api.nga.gov/iiif/7b876bad-8d1a-406c-a336-8d746aff0281/full/843,/0/default.jpg)
![Bookplate for the Friends of the Sarah Lawrence College Library [trial proof]](https://api.nga.gov/iiif/53e3ad98-a8bb-4e0c-a8a0-7e934a9f576e/full/843,/0/default.jpg)
![Figure 3 [trial proof]](https://api.nga.gov/iiif/e68af6c9-d264-485e-8f17-bbfc36dff5fa/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/6b40644d-10f9-4df8-b459-51f33e0c0c40/full/843,/0/default.jpg)
![Two Flags [trial proof B]](https://api.nga.gov/iiif/764d5079-5607-4fad-9934-282edc1f9c14/full/843,/0/default.jpg)