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: $200

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1978, Christmas, Hobby Horse, 15c multicolored, block of four with horizontal gutter between stamps, full OG, NH, VF and scarce multiple, priced in Scott with ”-” for vertical pair with gutter, Est. $350-$400 , Sc. #1769