1909 (4 September) 5f postcard uprated with 5f. Frankfurt to Basel Switzerland. Advert with OFFIZIELLE POSTKARTE No 1 and INTERNATIONALE LUFTSHIFFAHRT AUSSTELLUNG (International Trade Fair Exhibition) Frankfurt 1909 with picture of airship inscribed ILA and superb picture of guy on his megaphone in the basket. Faintest trace of bend. in exceptional condition.