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:

1980, Architecture, 15c black and red, top left corner sheet margin se-tenant block of four with red color missing on two top stamps due to strong perforation shift, full OG, NH, VF, C.v. $400, Scott #1841b