Four signed 6 x 4 postcard photos, each signed by the respective artist. Signers are: Christo and Jeanne-Claude, (The Pont Neuf Wrapped); Willem de Kooning (Painting) signed on the reverse; Victor Vasarely (Koskar); and Jacob Lawrence (The Migration of the Negro). In fine condition. Accompanied by a 2.75 x 2.75 swatch of deep saffron-colored nylon fabric from Christo and Jeanne-Claude’s 2005 site-specific exhibit, The Gates, in New York’s Central Park and a snapshot taken during the display. RRAuction COA.