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: $400

Buyer's premium:

1989, Ernest Hemingway, imperforated proof of 25c multicolored in top left corner sheet margin plate No. 11111 horizontal pair, perfect quality, full OG, NH, VF and scarce, C.v. $2,000, Est. $600-$800 ., Scott #2418P