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: $300

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1976, Bicentennial issue, Salem Poor, 10c multicolored, vertical strip of ten with gutter in the middle, perforation is strongly misplaced, leaving 6th stamp with practically missing black inscriptions, full OG, NH, VF and rare, Est. $500-$600 , Sc. #1560 var