1986–1987
Serge Lozingot, 1986
Gemini G.E.L., 1971
Gemini G.E.L., 1973
Gemini G.E.L., 1982
Kenneth Farley, 1986
Gemini G.E.L., 1969
Kenneth Farley, 1987
Gemini G.E.L., 1980
Gemini G.E.L., 1975
Serge Lozingot, 1976
![Face (Black State) [trial proof]](https://api.nga.gov/iiif/8348e835-448a-442c-97dd-1a496ff2d0c4/full/843,/0/default.jpg)
![Figure 5 [working proof]](https://api.nga.gov/iiif/1ede6c20-d024-455e-bf7d-5f8dee1e9634/full/843,/0/default.jpg)
![Ale Cans [trial proof E]](https://api.nga.gov/iiif/decef2a7-e8fd-4a37-8e42-4c4554cd8688/full/843,/0/default.jpg)
![#6 (after 'Untitled 1975') [progressive proof 10]](https://api.nga.gov/iiif/0c54492d-0e03-4445-a553-2b5cc5fd3c00/full/843,/0/default.jpg)