Düsseldorf: Konrad Fischer, June/July 1974
10.5 x 14.8 cm, 2pp. Announcement card which reproduces a drawing (of various squares from 1 to 10 in number) by Andre on the front with gallery details and on the reverse there is the title text for the exhibition. A mailed copy with minor stains and a handwritten telephone number in black ink but else a scarce announcement card.