1972
Gemini G.E.L., 1966
Roy Lichtenstein, 1985
Gemini G.E.L., 1974
Gemini G.E.L., 1969
Benjamin B. Smith, 1972
Gemini G.E.L., 1976
Serge Lozingot, 1973
Roy Lichtenstein, 2012
Gemini G.E.L., 1988
Gemini G.E.L., 1971
Roy Lichtenstein, 1994
![Figure 0 [trial proof]](https://api.nga.gov/iiif/d2997572-70c3-4e01-a70c-1d6df0f01d31/full/843,/0/default.jpg)
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/6b380faa-3752-4b9a-b576-7e8a277615fc/full/843,/0/default.jpg)
