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

Canada - Cents issue

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Start price: $250

Buyer's premium:

1859, Prince Albert, imperforate trial color proof of 10c in brownish purple, block of four printed on India paper and mounted on card, sheet positions 58-59/68-69 penciled on reverse, no gum as issued, NH, VF, Unitrade #17TCi, C.v. CAD $1,100++, Scott #17