Actually the FBI should be notified. This is more than likely an international scam. I had this happen to me 2 yrs ago with my sentra se-r. What they want you to do is cash the check at your bank, you keep "your part", and give them the rest for something like escrow service or something. You probably will not catch them but notify the FBI and give them all of your info on the check and letter that the check was sent in.