Untitled, ca. 1971 Untitled, ca. 1973 Orchestra leader, 1974 Butterfly, 1976 The painting which paints itself, ca. 1989 Art-Time 6: what to do?, ca. 1989 Sitting figure, ca. 1990 Grand Prix (the overtacking), 1991 Violas in love, ca. 1994 Butterfly, ca. 1995