1870 (3 Feb) small FL to Pennabilli, franked with pair of Italy 10c (Torino Issue), canceled by "S.M.no" in rectangle of dots, with blue Republica Di San Marino departure cds alongside, transit and arrival pmks on back, fine and scarce San Marino forerunner, with 1992 Diena certificate (Sass.F4T, Euro 2,750+) (Image)