After having searched for BILL OF SALE for a car a few times and coming up with something that I always have to create myself, I decided to make one and post for others looking to buy or sell their cars, motorcycles, ships, planes or whatever. This is a very simple and straightforward BOS and will work for most DMVs in United States as a proof of purchase/sale from private seller.
Above is the .jpeg file, that can be printed. (click on the picture above for full resolution version)
You can also download the .doc file from here
and edit it according to your needs.