in graphite below plate mark, lower left: 1/2 TRIAL PROOF, lower right: J. Johns '69
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.