Willem de Ridder, Amstel 47 presenteert Fluxus Festival

Hypokriterion Theater, Amsterdam 23 juni 1963, Bleijenburg Den Haag 28 juni 1963. Letterpress poster, 61.5 x 42.5 cm, designed by de Ridder for a festival he organized featuring 'theatre compositions, street compositions, exhibits, and electronic music'.

Participating artists included Maciunas, Paik, Schmit, Williams, Watts, Higgins, Knowles, Spoerri, Brecht, Koepcke, Ligeti, Ishiyanagi, Vautier, Cage, de Maria, de Ridder et al. Folded 3 times, moderate creases and water stain at lower edge, top corners have some small tears. Rare document.