Got a wierd vin # on a coronet need help

[MY68/6GT]

Wp23gma135766
69 Coronet 500 383 Car But Why Is There A "m" In The Year Spot

Nobody Can Give Me A Answer....want To Give It A Try?????thanks

 

[69superbee]

Vehicle Identification Number: Wp23gma135766
Vehicle Model: Coronet/Charger
Vehicle Class: Premium Price Class (Dart GT, Coronet 500, Charger)
Vehicle Body Style: 2 Door Hardtop
Vehicle Engine: 383 CID/290 HP 2 BBL V8
Vehicle Year: 1969
Vehicle Assembly Plant: Lynch Road, MI, USA
Assembly Sequence Number: 135766

got this from the vin decoder program on the site. hope it helps.

 

[OneOfMany]

Wow, thats weird. Do any of the other numbers, eg broadcast or fender tag have the M as well?

Grant

 

[Alaskan_TA]

It could be a factory typo. Look here for other examples;

http://www.hamtramck-historical.com/factoryErrors.shtml