I will try to be a bad substitute for AlaskanT/A: If you take a look at
http://www.hamtramck-historical.com/found.shtml and choose "1971 Hamtramck", you will find that the following cars were made after yours. Hope it helps. (I donĀ“t know if I am perfecly correct but I am sure that someone will correct if that is the case....
)
435662 JH23G1B435662 Broadcast sheet
435780 JH23G1B435780 Misc. prior history from 1978-1992
438287 BH27G1B438287 Misc. prior history from 1978-1992
438312 BS23N1B438312 Misc. prior history from 1978-1992
438336 BS23N1B438336 Misc. prior history from 1978-1992
438390 BS27H1B438390 Misc. prior history from 1978-1992
438426 JH23G1B438426 Misc. prior history from 1978-1992
441471 JH23G1B441471 Mylar door sticker
444552 BS23N1B444552 Misc. prior history from 1978-1992
451605 BH23C1B451605 Fender tag
451625 BS23N1B451625 Misc. prior history from 1978-1992
451627 BS23N1B451627 Misc. prior history from 1978-1992
452633 BS23N1B452633 Misc. prior history from 1978-1992
452635 BS23N1B452635 Misc. prior history from 1978-1992
452745 JH23N1B452745 Misc. prior history from 1978-1992
452785 JH23N1B452785 Misc. prior history from 1978-1992
452863 JH23G1B452863 Misc. prior history from 1978-1992
452904 JH23G1B452904 Misc. prior history from 1978-1992
472510 JS23N1B472510 Misc. prior history from 1978-1992