This Jake Coker Signed Alabama Crimson Tide White Custom Prostyle Jersey - 2015 National Champs Autograph comes with a Certificate of Authenticity from Seller. The product has been personally hand-signed by Jake Coker. Prime One Sports is an online leader in authentic Jake Coker signed memorabilia. Add a unique signature to your Alabama Crimson Tide Collectible collection. Order ships out within 1-2 business days.