Vacuum-formed plastic object in red, with accompanying book,

1968

29.5 x 29.5 x 2.3 cm (11 5/8 x 11 5/8 x 0 7/8 in)

the edition size unknown, published by Editions Gustavo Gili in cooperation with the Galeria René Métras, Barcelona, unobtrusive abrasion on surface and discolouration on edges, otherwise in good condition, contained in original cardboard slipcase (with minor signs of wear).