Dodge demon 1971 Question about exportation

Hello everyone !
I want to help my dad to sell is car. We are canadian and honestly i have no idea how to sell is car in the usa. I am currently trying to post on few mopar website and try to figure out the best way to get it.

Here my question :
Did you guys already buy a car in another country and how you proceeded ?
1. I have no clue how to find a coletionor who want to buy the car
2. The best way to proceed to export the car.

Thank you :D Have a nice day everyone !

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