Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - Italy

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Start price: $4,000

Buyer's premium:

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 in pencil, the certificate is included, C.v. $11,200 as singles, Sassone #A25, a, €18,000, Est. $7,000-$8,000, Sc. #C27, a