Lot 555
  
Airmail, 1918, 16¢ green (C2), top margin arrow and plate no. 8900 block of six, absolutely extraordinary centering, bright fresh color, crisp, original gum, never hinged, Extremely Fine, a gem plate block.
Scott $1,500
Expertization: 2008 P.F. Certificate.
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| Realized $1,700 |
