1978
Anthony Zepeda, 1981
Gemini G.E.L., 1978
Gemini G.E.L., 1977
Gemini G.E.L., 1979
Gemini G.E.L., 1970
Anthony Zepeda, 1982
Gemini G.E.L., 1982
Gemini G.E.L., 1972
![Cicada [trial proof]](https://api.nga.gov/iiif/b6afc846-c653-4745-a7f5-3606f14593ee/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/a22d835b-5c11-47ed-896a-c89a062c7ddd/full/843,/0/default.jpg)
![Rug [special proof]](https://api.nga.gov/iiif/846d478c-de6a-4c94-b389-a585fd6eaa7a/full/843,/0/default.jpg)
