Lot
676 
Airmail, 1933, 50¢ "Chicago" Zeppelin, bottom margin plate block of 6 with plate #"21171", o.g., never hinged, bright and fresh, F.-V.F. Scott No. C18 $600.
Realized: $250
Sale 106: The Stanley Piller Inventory of United States
Airmail Issues
Lot 676
Airmail, 1933, 50¢ "Chicago" Zeppelin, bottom margin plate block of 6 with plate #"21171", o.g., never hinged, bright and fresh, F.-V.F.Scott No. C18 $600.