COOP HIMMELBLAU [Wolf D. Prix - Helmut Swiczinsky]
Düsseldorf, Die Galerie Schmela, 1970, 14,8x21 cm, cardboard folded in two parts (open: cm. 14,8x42), pp. [4], invitation cardboard illustrated with three black and white projectual drawings one of which printed on two pages, published in occasione of the exhibition (Düsseldorf, Galerie Schmela, 3 - 31 Oktober, 1970).
COOP HIMMELBLAU [Wolf D. Prix - Helmut Swiczinsky]
Düsseldorf, Die Galerie Schmela, 1970, 14,8x21 cm, cardboard folded in two parts (open: cm. 14,8x42), pp. [4], invitation cardboard illustrated with three black and white projectual drawings one of which printed on two pages, published in occasione of the exhibition (Düsseldorf, Galerie Schmela, 3 - 31 Oktober, 1970).
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