Lot
666 
Airmail, 1923, 16¢ dark blue, top margin plate block of 6, o.g., never hinged, bit of minor soiling in selvage, Fine. Scott No. C5 $2,000.
Realized: $500
Sale 106: The Stanley Piller Inventory of United States
Airmail Issues
Lot 666
Airmail, 1923, 16¢ dark blue, top margin plate block of 6, o.g., never hinged, bit of minor soiling in selvage, Fine.Scott No. C5 $2,000.