groups of the letters b, d, p and q in varying positions on each sheet, printed in 2 colours, spiral bound, 20 sheets of paper folded to make 40 pages, 32 x 33 cm, numbered/200, signed, Stuttgart 1967
the bright pink-red dustjacket of thin paper which usually has not at all survived the 50 some years simce the book‘s publication is kept here, though it is a bit torn
