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: $150

Buyer's premium:

1974, Horses Rounding Turn, 10c yellow and multicolored, right sheet margin plate No.35118 single with blue ”Horse Racing” omitted, in addition red color (US Postage 10 cents) shifted to the top, full OG, NH, VF, C.v. $500++, Est. $250-$300, Scott #1528a