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, in very good condition, contained in original cardboard slipcase.