The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is the exact item you will receive, please see photos for condition. This is a Back to The Future Grote Hollow Body Full Size Guitar that was personally autographed by Michael J. Fox. Includes a certificate of authenticity / hologram from Beckett Authentication Services (BAS) and Denver Autographs. This is a BAS Witnessed Protection Program item which means a Beckett Authentication Service representative was present when this item was being signed. This item will ship for a flat rate of $40 within the USA.?