First Italian Airmail Datestamp "Stazione Aerea / Esp. Torino 31..98" on the occasion of the General Italian Exhibition, postcard showing the Godard Balloon over the exhibition ground, handwritten note "31 luglio 1898 Domenica 19 ore", very rare item in outstanding quality, certified Bolaffi (Longhi 98AAa)
6; Flugpost; FLUGPOST INTERNATIONAL; Italien