Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Italy - 1930, Trans-Atlantic Squadron, 7.70L deep blue and gray, top left corner sheet margin single, nicely centered and post office fresh, full OG, NH, VF, A. Bolaffi guarantee hs on margin and signed by him in pencil, C.v.$900, Sassone #PA25, C.v. €1,300, Est. $300 -$400, Scott #C27