Four Panels from Untitled 1972 [D panel, trial proof 27] by Jasper Johns, Gemini G.E.L., Ron McPherson, Serge Lozingot, Charles Ritt, James Webb https://www.nga.gov/artworks/142430-four-panels-untitled-1972-d-panel-trial-proof-27
graphite: 27D Trial Proof / JJ ’73-’74; lower right corner in graphite by unknown hand