History of Aviation, Rare Stamps and Postal History of the World, Part 2
Lot 752:
1967, Thoughts of Chairman Mao, 8f x5 red and gold, side margin block of six horizontal se-tenant strips of five values, block is folded once vertically between strips, post office fresh quality item, full OG, NH, VF, C.v. $9,600 as single strips, Est. $3,500-$5,000, Sc. #943a
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