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Authenticity reference

Scheduled build-date month-code check

date correctness · reported

Reference Details

Common issue
Components dated after the scheduled build date, or date codes inconsistent with the documented assembly timeline, may indicate replacement parts or incorrect restoration details.
Confidence
reported
Correct value
1970 Mustang data-plate date coding uses the day number plus month letter A through H for January through August, J for September, K for October, L for November, and M for December.
Where to check
Date field on the driver-door certification/data plate; compare component casting/tag dates to this scheduled build date.

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation