GIORGIO GRIFFA (TURIN 1936) "Oblique" 1971 acrylic on canvas cm 60.5x90 Signed and dated 71 on the reverse Provenance Fumagalli Gallery, Bergamo Private collection, Trento Bibliography K. Wolbert, L. M. Barbero, M. Meneguzzo 'Giorgio Griffa' Silvana Editoriale, Cinisello Balsamo and Galleria Fumagalli, Bergamo, p. 141 ill. This work is accompanied by certificate of authenticity on photograph issued by Archivio Giorgio Griffa, Turin, with n. 71-007 and signed by the artist