1525700 Foreign Covers Airmail. Hindenburg. Second South America Flight.

 

1936, May 25-June 3 -- Second South America Flight (AAMC Z-406; Sieger 411D). Cover bearing four different Mexico issues, tied by light strikes of May 18 circular datestamps on registered cover to Germany, neat purple "Correspondencias Registradas, Mexico D.F., May 18, 1936" oval backstamps, also with New York and Frankfurt backstamps, few toned perfs, otherwise Very Fine, this was the first official Zeppelin transport of Mexican mail and only registered letters received arrival markings