Flot ballonpostkort med det tilsvarende specialstempel fra Darmstadt på et særligt postkort fra friballonmesterskabet. Meget god stand
German Empire 1935 - Ballon post receipt on the occasion of the German free balloon championship Darmstadt 1935. Beautiful balloon postcard with corresponding special stamp from Darmstadt on a special postcard from the free balloon championship. Very good condition.
