Museum Haus Lange and Kaiser Wilhelm Museum, Krefeld
Light grey plastic ring binder titled on spine 'Museum Lange 4'. Houses around 50 perforated invitation cards and documentation from 1971 to 1976.
Includes: (1) Christo, Warhol, Penck, Roth, Beuys, Yves Klein, Haus Rucker Co. et al. (2) Added are 40 loose invitation cards dating from 1977-1983, including Palermo (1977), Ruthenbeck (1978), Nicola de Maria (1983). Mailed copies. (total ca. 90)