What was the rarest car you ever had ?

1965 satellite 426 4 speed
1965 coronet post 426 4 speed
1967 gtx 440 auto
1967 barracuda 273 4 speed
1967 barracuda 383 4 speed
1968 barracuda notchback 340 4 speed
1969 barracuda 383 4 speed
1969 m code cuda
1970 duster 340 4 speed
1970 roadrunner 440 6 pack 4 speed
1971 340 4 speed demon
1973 dart sport 340 4 speed
1976 aspen r/t 360 auto