Bidspirit auction | United States - Modern Errors

United States - Modern Errors and Varieties - 1981, Flag over Agriculture Field, 18c multicolored, block of six (2x3), blind vertical perforation, bottom block of four imperforate horizontally between stamps and at the foot, full OG, NH, VF and rare multiple, C.v. $1,100 as two vertical pairs imperf horizontally, Est. $600-$700, Scott #1890b