Untitled (acrylic on paper on chalk blackboard) Gallery

Untitled, 1979 (oil on Pavatex) Gallery

Untitled (oil & paper on Pavatex) Gallery

Untitled (acrylic on paper/canvas, glued on Pavatex) Gallery

Untitled, 1980 Gallery

Untitled, 1985 (collage, charcoal on paper) Gallery

‘Hommage der Gruppe Blau-Rot in Basel’ Gallery

Untitled (lithograph) Gallery

Untitled, 1984-85 (acrylic on canvas, glued on Pavatex) Gallery

Untitled, 1987 (acrylic on board) Gallery