Vacuum-formed plastic object in white,

1968

29.9 x 29.5 x 2.3 cm (11 3/4 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, with original cardboard slipcase, framed.