Lot 576
1896, Dr. Wölfert's steerable air ship. Flown postcard with 2 strikes of special cachet "Transportiert per Luftfahrt in dem lenkbaren Motorballon Dr. Wölfert im Jahre 1896 anläßlich der Berliner Gewerbe-Ausstellung" with long text on reverse "... for your collection I send you this postcard which will be on board during the flight. ...". One of the great rarities of early German airmail
