stanley brouwn, poster and cards for 'Durch kosmische strahlen gehen'

(1) Poster, offset printed, 50 x 70 cm, folded three times. Announcement for brouwn's exhibition 'Durch kosmische strahlen gehen (walking through cosmic rays)' at the Städtisches Museum Monchengladbach, 4 - 20 Sept 1970. Soft creases, fine copy.

(2) Folded card, 19.5 x 10 cm, 4 pp. containing an introductory text (in German) by Johannes Cladders for the exhibition. Soft creasing to top corners, else fine. (3) Instruction card, 10.5 x 10.5 cm, given to the visitors. A tiny printed text in the lower right corner reads: 'gehen sie sehr bewusst durch die kosmischen strahlen in den museumsräumen' (walk very consciously through the cosmic rays in the exhibition space). Mint. Very rare set of related ephemera. (total 3)