Bidspirit auction | United States - Modern Errors

United States - Modern Errors and Varieties - 1981, Flag over the Supreme Court, 20c black, dark blue and red, imperforate block of 20 (2x10), double paper variety on six lower stamps, red splice paper on front and reverse, full OG, NH, VF and rare multiple, C.v.$300 as ten vertical imperf pairs, Est. $400-$500, Scott #1894a, var