1852, 3¢ dull red, unofficial "Chicago" perf 12½. Deep rich color, intact perfs all around, tied by perfect bold strike of "Chicago Ill. Sep. 12, 1856" circular datestamp on lady's small cover to Canesville Ill.EXTREMELY FINE AND PRISTINE COVER BEARING THE 3-CENT 1851 ISSUE WITH CHICAGO PERFORATIONS. ONE OF THE FEW KNOWN COMPLETELY SOUND EXAMPLES.With 1986 and 2005 P.F. certificates. Scott No. 11  Estimate $5,000 - 7,500. $0 (Image)