well i think it is 24 pints
24
His most important exhibitions; All the Lombardian Shows from 1929 to 1942, 1st, 2nd,and 3rd Quadriannale of Arts, "Biennale Internazionale", Triennale of Decorative Art, Shows of Italian Art on Barcellona, Budapest, Prag, Birmingham, Cracow, Hanover, Sofia.