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: $600

Buyer's premium:

1993, National Postal Museum, 29c multicolored, bottom left corner sheet margin plate No.433444 imperforate se- tenant block of four, minor marginal wave on the left edge, full OG, NH, VF and very rare, C.v. $2,500, Scott #2782c