Lot
2423 
1917, 50¢ red violet, o.g., never hinged, near perfect centering amid large oversized and beautifully balanced margins, stunning rich deep color, a Superb jumbo, a remarkable large margin gem; with 2015 P.S.E. Graded certificate (Superb 98J, SMQ $1,300 for only 98). Scott No. 517 $120.