Single side postcard / announcement published in conjunction with opening held April 19, [1957]. Artists include Waldemar Baranowski, Robert Beauchamp, Joann Gedney, Richard Ireland, Lester Johnson, David Lund, Marcia Marcus, Steve Montgomery, Patricia Passloff, Ray Spillenger, Peter Stander, Tom Young, Wilfrid Zogbaum, Gabriel Kohn, Mary Frank, William Creston, Joan Mathews, Allan Kaprow, Martin Bloom, Lennart Anderson, John Chamberlain, Elaine de Kooning, Vincent Pepi, Miles Karpilow, Ernest Smith, Fritz Bultman.