Bidspirit auction | United States - Modern Errors

United States - Modern Errors and Varieties - 1991, 700th Anniversary of Switzerland, 50c multicolored, bottom left corner sheet margin imperforate plate No. A11111 block of four, fold between stamps and margin at left, full OG, NH, VF and scarce item, considered to be from a printer's waste, Errors Cat. $400++, Est. $400-$450, Scott #2532 imp