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: $100

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1931 (January 15-20), Special Flight Rome – Brindisi – Vlore, Balbo card bearing mixed franking of Vatican City 30c dark blue on yellow network and Italy Virgil 50c brown, tied by Vatican City and Italy ”15.1.31” ds, two Balbo etiquettes is alongside, Brindisi (17.1) transit and Vlore ”20.1.31” arrival markings, mostly VF, 76 items were delivered by this flight, Est. $150-$200, Sc. #4