A make of luxury car by Plymouth from 1951 to 1970. It was best known for its two tailfins in the rear.A 1957 model was buried brand new beneath the Tulsa Courthouse in Oklahoma and was unveiled in 2007 exactly 50 years to the date it was buried. However, it was heavily rusted from water that seeped into the vault and all that was intact were items held in a sealed cylindrical capsule.