I agree it probably is not important now.  But if you are still curious, there are partial VIN's stamped in engine bay area on top of the inner fenders under where the front exterior fenders bolt down.  The number is about a foot back from the radiator core support.  To see this, you have to remove a fender and scrap away the putty from the top of the inner fender (a wire brush helps also).  The number is stamped on top of both inner fenders.  I have never tried it but you might be able to read it from inside the fender but it would be difficult and the numbers would be backwards.  The number stamped there is missing the second, third, and fourth digit, i.e. VIN=9T11Y123456, stamp=9T123456.  The stamped numbers will also have small stars at the start and at the end of the number for some reason.  If you car still has its inner fenders (they are sometimes removed on race cars), this may help solve your mystery.