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: $100

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1979, International Year of the Child, 15c orange red, bottom right corner sheet margin block of four with horizontal perforation shifted to the top for about 20mm, full OG, NH, VF, Est. $150-$200 , Sc. #1772 var