This CD Inlay Cover of Duffy’s debut album Rockferry has been hand signed by Duffy at a Radio station in Bremen, Germany in 2008. She signed with a blue Sharpie pen. There is no COA available but I personally guarantee for the authenticity as I am a collector for 30 years. All of my autographed items have been obtained in person unless stated otherwise. If you do have any questions or concerns please do not hesitate to contact me. Thank you for your interest. Special offers and combined shipping can be discussed prior to any purchases. I do offer free shipping within the UK and a fixed rate of £5 for international shipping. I do accept PayPal. Thanks