A good friend of mine was the fireman on the 1976 run of SP's 4449 that ran across the USA. Envelope is uncancelled and is NOS.
1976 Bicentennial Railroads Man Cave America 250th Birthday 8”x12” Metal Sign
Penn Central Railroad Veterans 1976 Bicentennial Geauga Lake Aurora, Ohio Plate
Postcard~ BURLINGTON NORTHERN, SD40-2 LOCOMOTIVE NO. 1976, BICENTENNIAL UNIT
1976 Bicentennial Plate American Freedom Train Souvenir Plate Red Sebring Ohio
NOS GREAT NORTHERN SP&S PULLMAN STANDARD VOL 3 COLLECTORS SERIES SIGNED & #'D
NOS 1976 EMD Electro Motive GM General Motors Locomotives USA Evolution Chart