Identification on verso (handwritten): "Sissor Bros. Warehouse" or the "Blink" show at the Rolf Nelson Gallery, October 1963. Identification on verso (stamped): Sissor Bros. Warehouse; Rolf Nelson gallery; 530 No. La Cienega Blvd.; Los Angeles 48, Calif.
Archives of American Art, Smithsonian Institution Washington, D.C. 20560