1972
Frank Stella, 1974
Frank Stella, 1967
Gemini G.E.L., 1971
Gemini G.E.L., 1970
James Webb, 1969
Frank Stella, 1971
Frank Stella, 1982
Gemini G.E.L., 1994
Gemini G.E.L., 1985
![[title not known]](https://media.tate.org.uk/art/images/work/P/P78/P78380_10.jpg)
![Yunan (State III) [artist's proof]](https://api.nga.gov/iiif/4d5cd6e8-de39-424e-b601-1049ad681b24/full/843,/0/default.jpg)
![Figure 0 [trial proof]](https://api.nga.gov/iiif/11f4ac03-4b4c-4ce1-90d1-2a49e63e1fe3/full/843,/0/default.jpg)
![Figure 9 [trial proof]](https://api.nga.gov/iiif/af957deb-7c45-4369-8638-4c2240390375/full/843,/0/default.jpg)
![Berlin Dream Stamp (Negative Version) [special proof]](https://api.nga.gov/iiif/5e24a916-789d-4e7c-8e47-cfc82a8bba22/full/843,/0/default.jpg)