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: $75

Buyer's premium:

1983, Volunteerism, 20c red and black, left sheet margin imperforate block of four, full OG, NH, VF, C.v. $450++, Est. $150-$200, Scott #2039a