Lot
2760 
United States, Airmail, 1918, 16¢ green. Tied by "Cleveland, Ohio, Sep 5, 1918" machine cancel on first flight cover to Chicago, Ill., endorsed "First Trip, Airplane Mail Service" at bottom left, Chicago receiving backstamp, Very Fine. AAMC No. 108b. Scott No. C2 Estimate $100 - 150.
Realized: $115