The complete set of four grey nested cardboard boxes with printed text.

1971

all various sizes, largest 20.8 x 16 x 3.6 cm (8 1/4 x 6 1/4 x 1 3/8 in.)

Signed with initials in blue ink on the largest box and stamped 'Belegexemplar' on the reverse (a proof set aside from the unsigned edition of 220), published by Städtisches Museum Mönchengladbach, Germany, on the occasion of their exhibition Marcel Broodthaers, 21 October to 7 November 1971.