Vacuum-formed plastic multiple, with the original cardboard box.

1968

multiple 29.5 x 29.5 x 2 cm (11 5/8 x 11 5/8 x 3/4 in.)
box 31 x 31 x 3 cm (12 1/4 x 12 1/4 x 1 1/8 in.)

From the edition of unknown size, published by Achille Mauri Editore, Milan, lacking the Lucio Fontana book.