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

Worldwide Air Post Stamps and Postal History - Canada

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Start price: $325

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Description

1930, Mercury, 5c olive brown, left sheet margin block of six (2×3) with reversed ”1” on the middle row of the edge, full OG, NH, F/VF, right stamps are VF, left ones with enlarged margin at right and balanced margins at three other sides, counted as fine, Unitrade C.v. CAD$1,100, Est. $600-$700, Scott #C2