1893, 50¢ Columbian, perfect Post Office fresh original gum which has been lightly hinged once, perfectly centered within large even margins, lovely rich color, full, long perforations, Extremely Fine to Superb; with 1978 P.F. certificate and 2016 P.S.E. Graded certificate (XF-Sup 95 Jumbo, $2,150). Scott No. 240  $500. A MATCHLESS JUMBO GEM. $0 (Image)