1992–1993
Gemini G.E.L., 1992
James Pollard, 1990
Gemini G.E.L., 1982
Gemini G.E.L., 1980
Gemini G.E.L., 1976
Gemini G.E.L., 1971
Robert Rauschenberg, 1972
Gemini G.E.L., 1985
Robert Rauschenberg, 1968
Gemini G.E.L., 1973
![Untitled [trial proof]](https://api.nga.gov/iiif/c3efb80f-1c47-449f-b9a0-9288e530423e/full/843,/0/default.jpg)
![Drypoint Nu [special proof]](https://api.nga.gov/iiif/fb508dd7-d411-4a80-ab24-628d8df5bab6/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)
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/671ce331-d8cb-47c1-a606-594828a245d4/full/843,/0/default.jpg)
![Berlin Dream Stamp [special proof]](https://api.nga.gov/iiif/32ccbac3-1471-4f87-9d66-f719570fed26/full/843,/0/default.jpg)
