Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Gibraltar - Zeppelin Flights - 1933 (October 14-17), Chicago (Century of Progress) Flight registered cover to Brazil, delivered on leg Friedrichshafen - Recife, franked by two King George V adhesives, triangle confirmation marking on front and Berlin-Friedrichshafen connection on reverse, both in red, arrival ds, VF, Sieger #238A, C.v. €850, Scott #84, 97