Lot
2755 
United States, 1913 (May 17-18) Driving Park Aviation Meet, Santa Rosa, Cal. Fresh cover franked with two 1¢ green singles, one tied by purple "Aeroplane Mail Service, Santa Rosa, Cal., May 18, 1913" postmark, cover reduced at left, otherwise Very Fine. AAMC No. 70. Estimate $200 - 300.
Realized: $400