Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

United States - Modern Errors

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Start price: $250

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SELECTION OF COLOR SHIFT VARIETIES: 1938-86, 15 items some accompanied by common stamps, starting with $2 Harding with shifted center, 8c Statue of Liberty with misplaced carmine, most others with various mainly engraved color shifts, all with full OG, NH, VF and very spectacular unit, Est. $400-$500, Sc. #833/ 2145 var