in graphite, lower right: J Johns '71, lower left: 1/2 PROOF UNCORRECTED STONE IN BLACK; inscribed in stone, in reverse: knee [written four times in various styles and fonts]
Marks and Labels
blind stamp: © [chop of Gemini G.E.L.]; stamped in gray on verso: GEMINI G.E.L. / LOS ANGELES, CALIF
Acquired by NGA in 2008 directly from the artist.
- Field, Richard. The Prints of Jasper Johns 1960-1993. New York: Universal Limited Art Editions: 1994.