[Ephemera] Ben D'Armagnac, Gerrit Dekker, Louwrien Wijers Rare set of announcements, including: (1) Exhibition postcard Ben D'Armagnac and Gerrit Dekker at Wide White Space, Antwerp 1969. Mailed copy. (2-3) Two flyers for projects at Mickery Loenersloot in 1969. One promoting an extensive group show '(pr)o(b)ject' with Beuys, Hesse, Nauman, Panamarenko, Posenenske, Smithson, LeWitt, Schippers, Peeters, Armagnac, Dekkers et al. The other announces an exhibition by Armagnac and Dekkers, with an outdoor work by Paul Thek (decorations for a tree). (4-12) Flyers and press information published by Johannes Gachnang for events organized at the Goethe Institut/Provisorium, Amsterdam 1971-1973. Some printed on brown packing paper. Includes: Flyer for a project by D'Armagnac at Bickerseiland, Amsterdam 1971 (photos Oscar van Alphen); First exhibition by Louwrien Wijers, D'Armagnac and Gerrit Dekker, 1972; Four items on an D'Armagnac & Dekker project in 1972; Poster and flyer for 'Bilanz einer Aktivität', a large group show curated by Gachnang with Baselitz, Penck, Polke, Paul Goede, D'Armagnac, Gerrit Dekker, Louwrien Wijers et al. (13) Ben D'Armagnac, Sheets. Seriaal editions, Amsterdam 1974. (14) Obituary card Ben D'Armagnac 1940-1978, with an image of a performance at the Brooklyn Museum, New York 1978. (15) Invitation card for a retrospective show of D'Armagnac at the Van Reekum Museum Apeldoorn in 1982, recto with image of the Brooklyn Museum performance. (total 15)