Multiple comprising oil, canvas, staples, and plywood in three unique parts,

1993

smallest: 8 x 13.5 x 1.2 cm (3 1/8 x 5 3/8 x 0 1/2 in.)
medium: 10.6 x 17.6 x 1.1 cm (4 1/8 x 6 7/8 x 0 3/8 in.)
largest: 14 x 23.8 x 1.2 cm (5 1/2 x 9 3/8 x 0 1/2 in.)

signed, dated and numbered 8/30 in pencil on the reverse of the largest part, published by Museum Association Mönchengladbach, Mönchengladbach, Germany, unframed.