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

People's Republic of China

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Start price: $150

Buyer's premium:

1971, 50th Anniversary of Communist Party, 4f-22f, complete set of nine, including unfolded strip of three, no gum as issued, NH, VF, C.v. $705, China Post #N4, Scott #1067-75