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
Lacking any opposing information at this time I'm going with Bob on this one So no markings and refinish them as looking galvanized would be my suggestion, what I've done in the recent past successfully We may find that the marking was for later (than yours) cars or just as service replacements. More info will follow - just can't predict when