S28382

Baltic Sea Flight 1930 - letter from Finland with two finish zeppelin stamps and additional postage and very clean cancelled " Helsinki 24.IX.30 " and with special Zeppelin mark from Finland carried by airship on it's journey to Friedrichshafen (arrival postmark backside), with red Stuttgart and also Frankurt airmail confirmation marks sent to the recipient, very good needs quality, Sieger 89 B, Michel Zeppelin specialized catalogue 128 A d