1969
Benjamin B. Smith, 1975
Gemini G.E.L., 1973
Gemini G.E.L., 1970
Gemini G.E.L., 1994
Gemini G.E.L., 1967
Gemini G.E.L., 1972
Gemini G.E.L., 1986
Gemini G.E.L., 1977
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![0 through 9 [trial proof]](https://api.nga.gov/iiif/01755a16-93b0-4793-8e71-7569bbb518a7/full/843,/0/default.jpg)