The Severn Princess was on of 5 ferries that has been used before the Chepstow Bridge was completed in 1966. The ferry was built in 1959.
Sea - Ferries, Sea - Shipwrecks
The ferry became famous in the Martin Scorsese film about the life of singer/songwriter Bob Dylan, "No Direction Home", showing Dylan at the Aust Ferry terminal where the ferry was in service.
2014 it was decided to restore this unique ferry.
Links: glostransporthistory.visit-gloucestershire.co.uk, en.wikipedia.org