Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 2

British North America - Newfoundland

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Start price: $50

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1897, Discovery of Newfoundland, Cabot’s Ship, imperforated plate proof of 10c in black brown, printed on India paper and mounted on card, left sheet margin block of four, no gum as issued, VF, Unitrade #68P, CAD$200++, Est. $75-$100 , Sc. #68