#C1191988 36c Igor Sikorsky Airmail
$0.75- $72.50 #1132431999 Leroy Grumman Pioneers of Flight Set
$1.25 #C471953 6c Airmail Powered Flight
$0.30- $20.00 #1132661999 William E. Mitchell Pioneer of Flight St
$1.25 #17211977 13c Peace Bridge
$0.20- $32.50 #UXC241988 36c Air Mail Postal Card - DC-3
$1.33- $2.00 #31731997 32c First Supersonic Flight
$0.30- $25.00 #11851961 4c Naval Aviation
$0.20- $27.50 #37852003 5c Sea Coast, non-denominational coil
$0.20- $2.75