Los 436
"BREMEN"-New York, registered cover with mixed franking German Empire with se-tenant and Sovjet Union, from Leningrad via Berlin onto the "BREMEN" and by catapult aeroplane to New York, with special red cachet (illegible) "Deutscher Schleuderflug D. 'Bremen'-New York", fine and scarce (Haberer-Nr. 147 R; Airmail label Muller 32)
