1908, 8¢ olive green. O.g., never hinged, perfectly centered amid large evenly balanced margins all around, rich vibrant color, immaculate P.O. freshness, Superb, a remarkable mint gem, with only two to grade as such with none higher; with 2009 P.S.E. Graded certificate (Superb 98, SMQ $4,000). Scott No. 337  $105. $0 (Image)