Lot
2665 
Early Airmail Flight Covers, 1918-26, group of 33 covers all bearing a 1st or 2nd issue airmail issue; includes 14 #C3 usages from a range of flights, including usage to Canada, Special Delivery combination, registered with 10¢ Pan-Am issues, etc., nice mix of other issues with some similar usages, first flight cachets, Roessler "Winged Letters", etc. Estimate $500 - 750.
Realized: $1,300