Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

Great Britain

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Start price: $150

Buyer's premium:

1972, Queen Elizabeth II, Machins issue, £1 bluish black, imperforated block of four, full OG, NH, VF, this item is supposedly originated from printer’s waste, Est. $250-$300, Scott #MH168 imp