Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Spanish Morocco - Zeppelin Flight - 1930 (June 5-6), First South America Return Flight postcard from Tanger to Germany, franked by three overprinted values, tied by ''27.MAY.30'' machine ds, Seville ''2.JUN.30'', red oval confirmation cachet, roller connection on reverse and Friedrichshafen ''6.6.30'' arrival hs on front, VF and very rare, only 40 items flown, Sieger #64 XVII, C.v. €2,000, Est. $1,000-$1,200