about a 1966 mustang

i am looking for a 1966 mustang coupe as a anniversary present to my fiance here is the story my fiances dad was a classic muscle lover and he scored a great deal on a 66 mustang in 1985 he bought it and restored it himself he wanted to keep it in good condition until my fiance was old enough to drive and he was going to hand it over to her but wen she was four he was killed in a trucking accident and the title was handed to her mother but her grandfather from her dads side tricked her mom into sigining the title to him he said he would restore it and bring it back but then a week after she did that he sold it im searching for this car cause it is the only thing she had to remember her father i have the vin and everything i just dont know were to go all i know is the man that bought it lived in prescott the vin is 6F0T280599