1969
Roy Lichtenstein, 1983
Gemini G.E.L., 1966
Gemini G.E.L., 1976
Gemini G.E.L., 1992
Gemini G.E.L., 1973
Gemini G.E.L., 1982
Roy Lichtenstein, 1969
Roy Lichtenstein, 1992
Gemini G.E.L., 1971
Roy Lichtenstein, 1970
Gemini G.E.L., 1993
![#1 (after 'Untitled 1975') [working proof]](https://api.nga.gov/iiif/3e7d05ce-f987-41ea-a420-f40a1df88ef0/full/843,/0/default.jpg)
![Untitled #9 [special proof]](https://api.nga.gov/iiif/eaf88898-5f13-48dc-8855-ad7feff8073d/full/843,/0/default.jpg)
![Knee [trial proof]](https://api.nga.gov/iiif/fdb17cd2-18fd-4429-a4ac-a12debaa49af/full/843,/0/default.jpg)
![Untitled [pyramid]](https://whitneymedia.org/assets/artwork/61765/2019_234_3_cropped.jpg)
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/6b380faa-3752-4b9a-b576-7e8a277615fc/full/843,/0/default.jpg)
![Above and Beyond [special proof]](https://api.nga.gov/iiif/91b3b176-f10f-44d4-81df-c0a75b0338eb/full/843,/0/default.jpg)