Lot
1364 
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 Philadelphia, Pa., "Send a Letter by Airplane…" slogan handstamp on reverse, F.-V.F. Scott No. C2; $800 Estimate $200 - 300.
Realized: $260