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

Canada - War Tax stamps

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Start price: $85

Buyer's premium:

1915, black diagonal overprint ”Inland Revenue War Tax” on King George V 5c blue, block of four, very well centered for this difficult stamps, full OG, central hinge, F/VF, Unitrade #MR2B i, C.v. CAD$840 as singles, Est. $150-$200