Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

United States - Modern Errors

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Start price: $400

Buyer's premium:

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