1972
Frank Stella, 1971
Frank Stella, 1969
Frank Stella, 1967
Gemini G.E.L., 1968
Ron Olds, 1971
Gemini G.E.L., 1981
Gemini G.E.L., 1988
Frank Stella, 1970
Gemini G.E.L., 1967
Ron Adams, 1972
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![Untitled [working proof]](https://api.nga.gov/iiif/d8c203e1-2984-46a5-a5e4-73aaae704297/full/843,/0/default.jpg)
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