OPERAÇAO 1. Portfolio containing 1 sheet of text + 27 sheets visual poetry, printed in b/w and in colour. 51 x 36,5 cm, top board made of an original off-set printing plate of a Lisbon newspaper. Lisbon, ediçao do autores, Tip. Jornal do Fundão, 1967. Very light foxing.
One of the most important periodicals of the Portuguese literary avant garde. Collection under the editorship of and financed by E. M. de Melo e Castro. With a sheet of text- introduction in 3 languages by João Vieira, and 27 sheets of experimental visual poetry: Antonio Arago (2), Ana Hatherly (9), Melo e Castro (3 with 10 images), José Alberto Marques (9), Pedro Xisto (4). A second volume, of lesser interest and much smaller, was published later; Operaçao in the large format can be considered all published.
From an edition of ca. 100 copies.

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