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

Canada - Cents issue

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Start price: $150

Buyer's premium:

1859, Queen Victoria, imperforate plate proof of 12½c in bluish green, horizontal pair, printed on India paper and mounted on card, no gum as issued, NH, VF, Unitrade #18TC, C.v. CAD$600, Scott #18