in graphite below plate mark, lower left: 1/2 TRIAL PROOF, lower right: J Johns '70; in plate, lower left [in reverse] J.J. / 17 FEB 1970
Acquired by NGA in 2005 directly from the artist.
- Field, Richard S. The Prints of Jasper Johns, 1960-1993: A Catalogue Raisonné. West Islip, New York: Universal Limited Art Editions, 1994, no. 58.