Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Italy - 1933, General Balbo Flight, black overprint ''Servizio Di Stato'' on triptych 5,25L + 44.75L, fresh condition, large part of OG, previously hinged, VF, C.v. $3,300, Sassone #1, C.v. .€4,200, Scott #CO1