S-86-04-02, Düsseldorf 1986 27 x 38 cm 10.6 x 15.0 in.
S-84-07-03, Düsseldorf 1984 28 x 35 cm 11.0 x 13.8 in.
S-83-12-04, Düsseldorf 1983 27 x 33 cm 10.6 x 13.0 in.