We use high resolution images to highlight any imperfections so please look carefully. Signed By: Charlie Watts. This item has been thoroughly reviewed and inspected by the autograph authentication experts at AutographCOA – Pre-Certified Online (ACOA). Verification of this item’s authenticity can be confirmed by visiting the AutographCOA – Pre-Certified Online web site and doing a certification lookup for this item. The ACOA certification number for this item is: PC107936.