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

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1974, St. Laurent 7c dark brown, one line tagging at right, type T1, bottom sheet margin block of four, full OG, NH, VF, Tagging Errors Cat. CAD$240++, Scott #592 var