Did you have the title notorized, if not no prob just reapply for a new title. If you did, Then I would assume that you wrote up a contract or sale agreement and an ensuing reciept of the 11500, I don't imagine he handed you that money without asking for one. You can contact you local DMV and...
Example: There's a lady that lives in the city close to her work, so close she walks to work. On her way to work every morning she passes by a pet shop that has a bird cage right out front. In this birdcage is a parrot that calls out to her as she walks by, " HEY LADY ".
She looks at the parrot...