MARIO SIRONI (Sassari 1885 - Milan 1961) Composition 1933 oil and tempera on canvas 37x115 cm signed lower right The work is accompanied by a certificate of authenticity from the Associazione per il patrocinio e la promozione dell'opera di Mario Sironi, Milan and registered there with no. 115/12/RA. The work is accompanied by an authentication on a photograph by Ettore Gian Ferrari. Provenance Bonelli Art Private collection © MARIO SIRONI, by SIAE 2024