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

Worldwide Air Post Stamps and Postal History - Vatican City

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Start price: $150

Buyer's premium:

1931 (January 15-16), Special Flight to Cagliari (Sardinia), Balbo card (produced for prospective flight to US in December 1930-January 1931), mixed franking representing three stamps of Vatican City and Italian Air Post of 50c brown (on picture side), two Balbo etiquettes together with Cagliari ”16.1.31” arrival ds on address side, VF and scarce, only 31 items flown, Est. $250-$300, Sc. #1-2