Filula folha de sangue: objecto poemático de efeito progressivo [Filula leaf of blood: a poetic object with a progressive effect].
[Portugal: self-published], 1962. Square sheet of text to recto and verso, measuring 20 × 20 cm, with eight increasingly narrow leaves or strips of text on top, on green and white stock of light green and white. About very good. Concrete poetry artist's book composed of one square sheet of..... More