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: $50

Buyer's premium:

1979, Authors, 17c multicolored, left sheet margin vertical se-tenant pair, tagging omitted on both stamps, full OG, NH, VF, Unitrade 817b T1, C.v. CAD$200, Scott #817-18 var