S23510

Flight to Switzerland 1929 - rare Zeppelin ppc with 2 1/2 Cent Tell boy in a horizontal pair as multi postage and Zeppelin postmarks and also red boardmark carried by airship on it' s 3rd flight to Switzerland and dropped at Zurich (arrival postmark), forwarded to Winterthur (arrival postmark), a very rare offer in perfect quality, Sieger 37 b, Michel Zeppelin specialized catalogue 37 I e