1955 - 1969 Ford Thunderbird Data Plate Types
1955-early 1957 Date 27B merged with Production Code 330368B Location: Firewall
Late 1957 Date, Trans, Axle Location: Firewall
1958-1959 Format is the same as Late 1957 Location: Driver door body pillar
1960 New VIN format of 11 characters Location: Driver door body pillar
1961 Slightly different style Location: Driver door body pillar
1962 - 1965 Codes appear on top line. Axle, Trans reversed Location: Driver door body pillar (‘62,’63); Driver door lock face  (‘64, ‘65)
1966 - 1967 Small dies that usually run into the painted area Location: Driver door lock face
1968 - 1969 Large dies Location: Driver door lock face