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

Great Britain

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Start price: $100

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1972, Polar Explorers, Henry Hudson, 7½p violet and multi, gold (Queen’s Head) omitted, full OG, NH, VF a common stamp is included, SG #899a, £300, Est. $150-$200 , Sc. #666 var