Franz Erhard Walther, Form V, 1994, Cotton fabric, foam. Without title, A, B, C, 2016, Pencil, watercolour on paper. Guillaume Leblon, Le prince des poètes, 2016, Lime tree wood, insulating polyester, painted metal. Francisco Tropa, Antipodes, 2015, Plexiglas, brass, stone, electric wire, light bulb. Franz Erhard Walther, Inhalt, 1958, Pencil and gouache on thin cardboard. Franz Erhard Walther, Form R, 1994, Cotton fabric, foam, wood.