Giorgio GRIFFA Linee orizzontali
1973, acrylic on canvas, cm 60x214
Certificate issued by the Archivio Griffa, under no. 73-017, signed by the artist
K. Wolbert, L. M. Barbero, M. Meneguzzo "Giorgio Griffa", Silvana Editoriale, Galleria Fumagalli, Milan 2005, p. 202, ill.
I.Quaroni, "Giorgio Griffa - exonerating the world", Gallery, ABC Arte, Genoa, 2015, pp.56-57