Vacuum formed acrylic and cellulose,

1970

59.3 x 59.3 x 9.8 cm (23 3/8 x 23 3/8 x 3 7/8 in.)

signed and numbered 73/750 in black ink on a label affixed to the reverse (the edition was 106, although an edition of 750 was planned it was not fully executed), published by X-Art Collection, Zurich, unframed.