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, 100th Anniversary of the Montana Statehood, imperforate plate proof of 25c multicolored, two blocks of four arranged on USPS page, unused and cancelled on the first day of issue (January 25, 1989), VF and rare item, which considered by Scott as printer’s waste, Est. $800- $1,000, Scott #2401