lower right in graphite: SW Hayter; lower left in graphite; 4/20; lower left edge in graphite by unknown hand: "Still Life"; lower right verso in graphite by unknown hand: 275; lower left verso in graphite by unknown hand: M263A / RYX
(Zeitlin & Ver Brugge, Los Angeles); Jacob and Ruth Cole Kainen, Chevy Chase, MD, purchased February 6, 1976; gift to NGA, 1994. 
- Black, Peter, and Désirée Moorhead. The Prints of Stanley William Hayter: A Complete Catalogue. Mount Kisco, New York: Moyer Bell Limited, 1992, no. 2, ii/ii.