1990–1991
Baden, Stanley, 1991
Gemini G.E.L., 1992
Gemini G.E.L., 1969
Farley, Kenneth, 1987
Gemini G.E.L., 1989
Baden, Stanley, 1994
Gemini G.E.L., 1967
Gemini G.E.L., 1977
Gemini G.E.L., 1983
Farley, Kenneth, 1986
Gemini G.E.L., 1968
Gemini G.E.L., 1973
![Self-Portrait with Gold Dot [special proof]](https://api.nga.gov/iiif/ec76b79b-f0c8-47b4-a7f2-899f81f2e7ab/full/843,/0/default.jpg)
![Two Sunsets (One with Square Blue Moon) [special proof]](https://api.nga.gov/iiif/7f86a87e-70ef-4ea0-b787-cc4fcd92e717/full/843,/0/default.jpg)
![Untitled #9 [special proof]](https://api.nga.gov/iiif/eaf88898-5f13-48dc-8855-ad7feff8073d/full/843,/0/default.jpg)
![Gray Alphabets [working proof]](https://api.nga.gov/iiif/c7d881b5-8fca-4146-b30c-5820b30cbccc/full/843,/0/default.jpg)
