The Marti report and telling them to make you a tag (sticker for that year) would be your best bet. You can derive the warranty number (VIN),
tranny, rear and colors but not the DSO.
That buck tag on your radiator support is from another car, that belongs to car 3F02F107818, that's the VIN. That car was a white Sportsroof.
Now here's the thing I'm wondering, which one doesn't belong to your car. The buck tag may have gotten there because the car was wrecked in the front and a clip or radiator support from another car was put on, buck tag and all. Or that buck tag could be your car's real VIN and the dash pad has been changed, which would give a different VIN as the tag is riveted to the pad. Being the age of the car it may have been repainted and had an interior swap long ago in it's past.
I would look at the front inner fender aprons and find what VIN is stamped into them.
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1968 Mustang coupe, Acapulco Blue, 289 2v, C-4, Power Steering.
Hopefully a 1969 convertible or Sportsroof (non Mach or Boss) for next Mustang project
Trying to find my father's 1973 Mustang Grande he bought brand new. 3F04F126773 last known registration and title was in New Jersey, 1982.
1973 Mustang Mach 1 data decoding.....please help 
