Una pregunta Zaj

Graphic work edited be the artist, Madrid
Colored offset on white card, printed on both sides
Envelope, 6.5 x 10 cm.

A copy re-edited unsigned and unnumbered
in artist's book  "Zaj", No. FX0415
  

Bibl.: "De Juan Hidalgo (1961-1971)", Artes gráficas Luis Pérez, Madrid, 1971; "De Juan Hidalgo (1961-1991), Pre-Textos, Valencia, 1991; "Zaj", exhibition catalogue, Museo Nacional Centro de Arte Reina Sofia, Madrid 1996, p. 145.