cover 1858 (29 May) double-rate entire letter to Genoa bearing 1856 6d. (perfs clipped at right) tied by superb "M" and showing unframed "PIROSCAFI/POSTALI/FRANCESI" in red alongside, manuscript "2½", oval-framed "P-D" (crossed by filing crease) with, on reverse, despatch and arrival c.d.s.