eBay Welcome to GM Authentic Autographs Be sure to added us to your favorite sellers list...We add new inventory weekly! Here at GM Authentic Autos, we have been providing 100% authentic autographs to fans for nearly two decades here on Ebay. We travel the county to attend events, movie screenings, film festivals and various other events to be able to provide our customers the best autographs for their collections. Every single item comes with a Certificate of Authenticity from GM Authentic Autographs. Some items may also come with additional authentication through proof photos (when available... |