If this is a VW, VW VINs are stamped into the chassis, right near the access panel for the shift rod connection to the transaxle. You’ll find it under the seat.
Former Owner of a 1981 Classic Roadsters Ltd. Duchess (VW)
2005 Intermeccanica Roadster
If you own a TDr and are not in the Registry, please go to https://tdreplica.com/forums/topic/mg-td-replica-registry/ and register (you need to copy and paste the link)