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

Canada - Modern Errors and Varieties

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Start price: $200

Buyer's premium:

2006, 50th Anniversary of the Labor Congress, 51c multicolored, bottom right corner sheet margin horizontal imperforate pair, full OG, NH, VF, Unitrade #2149i, C.v. CAD$900, Scott #2149 imp