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

Canada - Queen Elizabeth II Errors and Varieties

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Start price: $150

Buyer's premium:

1971, Maple Leaves in Spring, 6c multicolored, top sheet margin horizontal imperforate pair, full OG, NH, VF, C.v. $800, Unitrade C.v. CAD$1,200, Est. 250-$300, Scott #535a