newbie.. 70 Dart Swinger

hello everyone im new to the site. Im from london ontario and have some questions.
I have the chance to buy a 1970 dodge dart swinger 340 4 speed car
Originally purple but is now orange.
The car has 68 thousand original miles on the original motor the motor was rebuilt about say 20 years ago and had about 60 thousands miles on it before rebuild.
The car has never bin restored, has a new front fender, it needs a paint job. interior is MINT.
It needs new exhaust.
requires a bit of body work
but over all a VERY nice car!
its appraised just under 16 thousand.
Any one have any info for me for what i should look at on the car?
Possible price to pay?
Any info anyone may have let me know
Thank you!