1992–1993
Gemini G.E.L., 1978
Ellsworth Kelly, 1979
Gemini G.E.L., 2008
Gemini G.E.L., 1993
Ellsworth Kelly, 1976
Gemini G.E.L., 1969
Gemini G.E.L., 1971
Gemini G.E.L., 1999
Gemini G.E.L., 1992
![Figure 2 [artist's proof]](https://api.nga.gov/iiif/5aec741d-461a-41f3-9800-660b51a7dc8d/full/843,/0/default.jpg)
![Figure 6 [working proof]](https://api.nga.gov/iiif/379aed58-8467-4ec5-b77a-6bca2ca431bc/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/1283efd3-de54-42b3-a090-9d9497842a5b/full/843,/0/default.jpg)