Bidspirit auction | United States - Modern Errors

United States - Modern Errors and Varieties - 1989, 100th Anniversary of the Montana Statehood, imperforate plate proof of 25c multicolored, two blocks of four arranged on USPS page, unused and cancelled in the first day of issue (January 25, 1989), VF and rare item, which considered by Scott as a printer's waste, Est. $1,000- $1,200, Scott #2401