Item Description This Graham Nash 11×14 custom framed display has been professionally matted with a 6×9 B&W retro self-portrait photograph and an authentic signature cut which has been hand signed by legendary musician Graham Nash himself. The signature is third-party authenticated and certified by the top music autograph experts at AutographCOA (ACOA) Authentication. Signed By: Graham Nash Third-Party Authenticated This item has been thoroughly reviewed and inspected by the autograph authentication experts at autographcoa (ACOA). Verification of this item’s authenticity can be confirmed by visiting the autographcoa web site and doing a certification lookup for this item. The ACOA certification number for this item is: SB63001.