Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

China

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Start price: $75

Buyer's premium:

1945, Dr. Sun Yat-sen, $10 red brown, vertical pair with rough perforation 12½, imperforate between stamps, no gum as issued, NH, VF, Chan #621c, Est. $150-$200, Scott #518 var