Lot
1363 
Airmail, 1918, 16¢ green. Tied by "Air Mail Service, Wash. N.Y., Phila., New York, Jul 15, 1918" First Flight duplex postmark on Scott Stamp & Coin Co. corner card cover to Washington D.C., Very Fine. Scott No. C2; $800 Estimate $250 - 350.
Realized: $150