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

United States - Classic Stamps, Proofs and Multiples

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Start price: $150

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1943, Flag of Austria, 5c blue violet, red and black, right sheet margin horizontal strip of three, stamp in the middle with double impression of ”Austria” variety, full OG, NH, VF, PSE certificate for block of six, this one was top strip of the block, C.v. $400++, Est. $250-$300, Sc. # 919a