R.L.Botham:
Hubcap ( Boeing Airplane Co.)
R.L.Botham:
Boeing B-29 "Fifi" dataplate
R.L.Botham:
Ryan (Aircraft)
R.L.Botham:
Yoke cap decal
R.L.Botham:
Airmark Plastics
R.L.Botham:
Indiana Air Service