1966
Gemini G.E.L., 1984
Gemini G.E.L., 2008
Josef Albers, 1942
Gemini G.E.L., 1973
Gemini G.E.L., 1981
Gemini G.E.L., 1991
Gemini G.E.L., 1967
Gemini G.E.L., 1969
Gemini G.E.L., 1986
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