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 15-16), Special Flight to Tripoli, Balbo card (produced for prospective Trans-Atlantic flights), mixed franking of Vatican City 30c dark blue on yellow network and Italian Virgil 50c brown, Italy-Brazil etiquette in blue and gold tied by Tripoli ”16.1.31” arrival ds, VF, 70 items were delivered by this flight, Est. $150-$200, Sc. #5