1986–1987
Gemini G.E.L., 1977
Gemini G.E.L., 1980
Gemini G.E.L., 1973
Gemini G.E.L., 1986
Gemini G.E.L., 1999
Gemini G.E.L., 1987
Serge Lozingot, 1983
Gemini G.E.L., 1969
Gemini G.E.L., 1974
Kenneth Farley, 1987
Serge Lozingot, 1975
![Bill and James I [special proof]](https://api.nga.gov/iiif/a65b0e55-4a3b-4198-a23e-12a7a36967cd/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [C panel, trial proof 1]](https://api.nga.gov/iiif/ca0ff351-9b7b-4832-839e-6aa42a454366/full/843,/0/default.jpg)
![Ale Cans [trial proof B]](https://api.nga.gov/iiif/023a5f07-a1da-42c8-8788-a23e7c69a69e/full/843,/0/default.jpg)