Lot 435
1933, "EUROPA"-New York, cover with mixed franking German Empire and Sovjet Union, from Leningrad via Berlin onto the "S.S. EUROPA" and by catapult aeroplane to New York, with special red cachet (little faded) "22./23. August 1933 Deutscher Schleuderflug Damper "EUROPA"- New York", fine and scarce (Haberer-Nr. 137 R)
