Buenos Aires: Centro de Artes Visuales del Instituto Torcuato Di Tella, 1967. First Edition. Quarto. Slim catalogue for the juried “Premio Internacional” exhibition at the Centro de Artes Visuales del Instituto Torcuato Di Tella in Buenos Aires. The exhibition ran from September 29 through October 29, 1967, and included Allan D'Arcangelo, Dean Fleming, Charles Hinman, Sol LeWitt, Robert Morris, Robert Murray, Jules Olitski, Dalila Puzzovio, Bridget Riley, Susana Salgado, Carlos Silva, León Polk Smith and John Wesley. Catalogue notable for a folded, origami-like section, itself evocative of the work by Charles Hinman. Black and white illustrations, Spanish text. Near fine in printed glossy wrappers. OCLC lists a single copy in Germany.