I CAN CATEGORICALLY GUARANTEE THE AUTHENTICITY OF THE SIGNED ITEM. IT WAS OBTAINED IN PERSON.ITEM COMES WITH A COA. AND DONT FORGET TO ADD ME TO YOUR FAVOURITE SELLERS. Listing and template services provided by inkFrog. The item "Greame McDowell SIGNED & Framed 2010 Ryder Cup PIN FLAG AFTAL COA" is in sale since Thursday, November 12, 2020. This item is in the category "Collectables\Autographs\Certified Original Autographs\Sport". The seller is "pieceoffame" and is located in Braintree, Essex. This item can be shipped worldwide.