Japanese avant garde lot from the late 60s and mid 70s

Includes: ASA, Tokyo Concrete Poetry & Spatalism, 1969. Flyer in envelope sent to Tjeerd Deelstra by Seiichi Niikuni. + Flyer Tokyo Biennale 1970, featuring Albrecht D, Ger van Elk, Hans Haacke, Daniel Buren, On Kawara, Tanaka Shintaro, Matsuzawa Yutaka, Sol Lewitt and others. + Catalogue for the 4th Exhibition for the First Prize of the Museum of Contemporary Art Nagaoka, 1967.

+ Four announcements by Mato Grosso gallery in Tokyo from 1974. Includes a flyer for a video workshop. + Card announcing Expo Paper 1976. International mail art project organized by Mukata Takamura. + Shadow Project Belgium-Japan, Street Works No.17 Mass-Moving. Folded poster printed on tracing paper, small tear along folds, else an intriguing item.