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: $300

Buyer's premium:

1974, Telephone Centenary, 8c multicolored, vertical imperforate pair, nice margins all around, full OG, NH, VF, only 100 imperf stamps were produced, Unitrade C.v. CAD$2,000, Scott #641a