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:

1962, Space Project Mercury, 4c dark blue and yellow, vertical imperforated pair, tiny gum wrinkle at the bottom stamp, full OG, NH, VF and scarce, this pair is considered as a printer’s waste, Est. $300-$400, Scott #1183 imp