Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

United States - Modern Errors

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Start price: $250

Buyer's premium:

1995, Alice Hamilton, MD, 55c green on prephosphored paper, left sheet margin horizontal transition strip of eight, two stamps at left are imperforated, full OG, NH, VF and scarce, only 20 pairs known, this item priced with ”-” in Scott, Est. $400-$500, Sc. # 2940a