Trifold exhibition announcement mailer published in conjunction with show held December 18 - January 5, [1959]. Artists include Yvonne Anderson, George Brecht, Jim Dine, Martha Edelheit, Jean Follett, Bruce Gilchrist, Red Grooms, Al Hansen, Ray Johnson, Allan Kaprow, Renee Miller, Claes Oldenburg, Robert Rauschenberg, George Segal, Richard Stankiewicz, James Waring, and Robert Whitman.