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, left sheet margin block of nine, stamp with ”7 Stars” variety in the middle, folded once along horizontal perforation between 2nd and 3rd rows, perfect quality otherwise, full OG, NH, VF, rare and desirable positional piece, each stamp signed by A. Bollafi with his certificate, C.v. $11,200 as singles, Sassone #A25, a, €18,000, Est. $7,000-$8,000, Scott #C27, a