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:

1988, Antarctic Explorers, 25c multicolored, complete pane of 50, double paper variety from 5th to 8th horizontal rows, affected 4 se-tenant blocks and 2 pairs, tiny marginal separations, still full OG, NH, VF and rare multiple, Est. $800-$1,000, Scott #2386-89 var