1912, airmail on the Rhine and Main, 10 Pfg airmail stamp and 5 Pfg Germania on officially Photo postcard \"grand duke from Hessen\" from \"airmail on the Rhine and Main / Darmstadt 23.6.12\" to Berlin, the airmail stamp a shortened tooth at the bottom on the right, additional franking in perfect condition, card on face with handwritten notice, decorative piece, Si. 90.-