S23516

Flight to Zurich 1929 - Sekula zeppelin ppc on very thin carton with 50 Pfennig eagle as single postage, cancelled with Zeppelin postmark (Type a) and carried by airship on it' s flight to Zurich and dropped at Winterthur (arrival postmark), a rare offer in perfect quality, Sieger 45 c, Michel Zeppelin specialized catalogue 44 I a