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

Canada - Queen Victoria ''Maple Leaf'' issue

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Start price: $100

Buyer's premium:

1897, imperforate plate proof of ½c in black, block of four from positions 64-65/74-75, printed on India and mounted on card, no gum as produced, NH, VF, Unitrade C.v. CAD$500++, Scott #66