1967
Gemini G.E.L., 1974
Gemini G.E.L., 1987
Gemini G.E.L., 1967
Gemini G.E.L., 1981
Gemini G.E.L., 1969
Gemini G.E.L., 1979
Frank Stella, 1967
Gemini G.E.L., 1971
Gemini G.E.L., 1973
![Figure 2 [trial proof]](https://api.nga.gov/iiif/81bbb5e0-9ba7-47c9-a68a-45c0873df752/full/843,/0/default.jpg)
![View [special proof]](https://api.nga.gov/iiif/c4cb9ad7-5c5f-498a-97ea-f99cc04b3c14/full/843,/0/default.jpg)
![Figure 2 [color trial proof]](https://api.nga.gov/iiif/51cdc17b-85f8-434c-b54d-8e2c12084489/full/843,/0/default.jpg)
![Figure 4 [experimental trial proof]](https://api.nga.gov/iiif/751d8a1e-a0dc-4d55-9070-cb1081769801/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [A panel, trial proof 2]](https://api.nga.gov/iiif/fc49bfd9-5f8b-48cc-9230-2e7c88c9a7b0/full/843,/0/default.jpg)