Two plywood boards mounted together (as issued), painted on the inside with lead teroxide in red, varnished on the outside, with a hole in each corner.

1988

100 x 100 x 1 cm (39 3/8 x 39 3/8 x 3/8 in.)

Signed and dated in pencil and numbered 1/21 in orange stencil-painting on the reverse (there were also 3 artist's proofs), published by Edition Schellmann, Munich and New York.