Tom Petty will be auctioning off his convertible for charity on Ebay. The auction for Petty’s 1996 Jaguar XJS goes live today at 5pm EST, and will run until October 21. The proceeds from the auction will go to Doctors Without Borders, an international non-profit that provides medical care to people in war-torn and developing countries. The organization received the Nobel Peace Prize in 1999. You can check out the auction here.