Bidspirit auction | Worldwide Pioneer Flights - Italy

Worldwide Pioneer Flights - Italy - 1930 (December 15), First Trans-Atlantic General Balbo Flight to Brazil, pre-printed cover franked by two values, including 7.70L deep blue and gray, issued for this flight, tied by special machine marking, Rio arrival date stamp is alongside together with all 18 pilots' autographs, fresh, VF and scarce, C.v. $2,000++, Sassone #PA25, €2,500 for flown cover w/o autographs, Est. $600-$750, Sc. #C27