Imi Knoebel ephemera
(1) W. Knoebel/IMI, Art & Project Bulletin No.13, November 1969. Single folded sheet, 29.5 x 21 cm, 4 pp. Ill. Mint unmailed copy. (2) Announcement cards for Knoebel exhibitions at: Art Intermedia Cologne (1970), Videogalerie Schum Dusseldorf (1972) and Städtische Kunsthalle Dusseldorf (1975).
(3) Five invitations from Heiner Friedrich Munich: four dated 1977 (fold-out prospectus for an edition, 2 cards for 'Messcherschnitte', one card 'für Blinky'), one card dated 1978. (4) Dia Art Foundation Cologne, 1981. Large orange card, signed in black marker. (5) Kröller Möller Otterlo (1985). Folded invitation card, 4 pp. contains a green flexidisc. (total 11)