looking for 69 dart sold years ago in nj

[gtxtra361]

as title say im looking for my fathers old 69 dart was his first car it was sold in 79-80 in beechwood new jersey was blue with silver across the bottom and silver lace on the roof 340 automatic black interior bench seat gts hood
vin number is LM23P9B346676
would love to find his first car
any information is greatly appreciated

 

[gtxtra361]

still looking for my dads dart any help would be great any ideas on how to find it would be cool to thanks