original printed cardboard box containing a paperback book + a facsimile of the Festival Zaj 1-Postcard Concert (4 printed cardboards in a printed folder) + 68 facsimiles of the group's cards.
- Al Hansen, Alison Knowles, Ben Patterson, Ben Vautier, Bernard Heidsieck, Carl Andre, Carlos Gaviño de Franchy, Dick Higgins, George Brecht, Joe Jones, José Luis Castillejo, Juan Hidalgo, Robert Erebo, Robert Filliou, Walter Marchetti - design: Juan Hidalgo
original printed cardboard box containing a paperback book + a facsimile of the Festival Zaj 1-Postcard Concert (4 printed cardboards in a printed folder) + 68 facsimiles of the group's cards.
- Al Hansen, Alison Knowles, Ben Patterson, Ben Vautier, Bernard Heidsieck, Carl Andre, Carlos Gaviño de Franchy, Dick Higgins, George Brecht, Joe Jones, José Luis Castillejo, Juan Hidalgo, Robert Erebo, Robert Filliou, Walter Marchetti - design: Juan Hidalgo