5 '65 FDCs Stamped envelopes and Air letter sheet 1 of 4 similar sets, see scans

8c Airmail Jet Triangle SC#UC37

4c Old Ironsides SC#U549

1 1/4 Liberty Bell SC#U548

5c Eagle SC#U550

11c Kennedy Air letter sheet SC#UC38

See Scans  4 slightly different sets listed seperately