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:

1973, Progress in Electronics, (15c) multicolored, top left corner margin single with black engraved color omitted (all inscriptions and denomination), full OG, NH, VF, C.v. $850, Scott #152a