1893, 15¢ Columbian, bottom margin plate "No. 58" block of 8 with imprint and letter "M", o.g., trace of hinging at top, deep color on fresh bright paper, exceptional centering throughout, couple perf separations at right of little consequence, Extremely Fine, Scarce in such pristine condition. Scott No. 238  $6,500. A STUNNING WELL CENTERED PLATE BLOCK OF THE 15¢ COLUMBIAN ISSUE. $0 (Image)