Join us on Facebook: Search for 'ConcoursMustang' Private group!https://www.facebook.com/groups/concoursmustang/Indiana SAAC Fall Classic , French Lick, IN Oct 11-12http://www.insaac.org/SAAC National-Sanctioned Concours Event
Originals are pot metal & the reproductions I have seen are plastic. However, this could have changed.
The last set I bought from NPD for my '69 were pot metal.
I think Ford used some lights like these in the 80's.