Verticale. 1969. Mixed media on canvas. Cm 72,50 x 100,00. Signature and year at the back. Provenance: Galleria Fumagalli, Milan; Private collection, Bologna. Exhibition: Giorgio Griffa, Institute Mathildenhohe (Darmstadt); Museo della Permanente (Milan); Kunsthalle (Aschaffenburg), 2005, ill. in the catalog. Publication: K. Wolbert, L.M. Barbero, M. Meneguzzo "Giorgio Griffa" catalog of the exhibition held in Darmstadt, Aschaffenburg and Milan, Milan, Silvana Editoriale, 2005. (lot with extra-ue provenance subject to import taxes, 10% to be added to the buyer's premium)