lower right, in graphite: END PAPER / + / UNITITLED I WORKING PROOF J Johns 1976 / ULAE 171
Acquired by NGA in 2008 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. 171.