This is a listing for an autographed 16x20 canvas hand signed by Derek Carr . This canvas has been signed in permanent marker and was obtained by myself to guarantee that it's 100% authentic. The canvas has been authenticated by JSA James Spence Authentication, the world's leading third party autograph authentication company. A tamper evident label is affixed on the item. The canvas will include a JSA Certificate of Authenticity with identical matching certificate number on both the item and the Certificate of Authenticity. If you have any questions feel free to ask. Thanks for looking