Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

United States - Modern Errors and Varieties

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Start price: $200

Buyer's premium:

1978, Christmas, Hobby Horse, 15c multicolored, right sheet margin 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, Scott #1769 var