P-93-07-04, Düsseldorf 1993 48 x 38 cm 18.9 x 15.0 in.
W-93-06-09, Düsseldorf 1993 38 x 48 cm 15.0 x 18.9 in.
W-93-06-04, Düsseldorf 1993 48 x 38 cm 18.9 x 15.0 in.