1972
Ron Adams, 1969
Gemini G.E.L., 1981
Gemini G.E.L., 1992
Gemini G.E.L., 1986
Gemini G.E.L., 1969
Benjamin B. Smith, 1967
Gemini G.E.L., 1990
Gemini G.E.L., 1983
Benjamin B. Smith, 1966
Frank Stella, 1974
![Untitled [trial proof]](https://api.nga.gov/iiif/a8203338-ea28-4e3a-a5a7-a0735ba60c53/full/843,/0/default.jpg)
![Self-Portrait with Gold Dot [special proof]](https://api.nga.gov/iiif/ec76b79b-f0c8-47b4-a7f2-899f81f2e7ab/full/843,/0/default.jpg)
![WLS VIII from White Line Squares (Series I) [artist's proof]](https://api.nga.gov/iiif/3fe6f7ec-b458-4bd6-858c-9bd399b9365c/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/05c66be5-6b94-422d-9347-5b714044b6e3/full/843,/0/default.jpg)
