Black lacquer on wood,

1966

10 3/8 x 21 x 23 in. (26.4 x 53.3 x 58.4 cm)

signed, dated `1966' and numbered 30/40 in black ink on a label affixed to the underside, published by Documenta Foundation, Kassel, Germany, minor scuffing and soiling, adhesive and label remains in places, wear at corners and edges, otherwise in good condition.