Air Mail unused Block Larger Than four 1933 (20 May) North America Flight 5.25 lire + 19.75 lire and 5.25 lire + 44.75 lire triptyches each in complete mint sheet twenty, lightyly folded across centre, all but lower row of second value are unmounted, a few faint rust posts or slight areas of gum disturbance nevertheless fine and rare in this format. Sass. 51, A-T, 52, A-T, Lire 8,500,000.