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: $100

Buyer's premium:

1989, Flag over the Clouds, 39c multicolored, horizontal imperforate pair, full OG, NH, VF, C.v. $525, Unitrade C.v. CAD$700, Scott #1166d