The autograph is written in black marker. You can be certain of its authenticity as it is certified by JSA. The JSA number is MM04617. The certificate number corresponds to the sticker in the lower right hand corner of the photo.On the back of the plaque you can see it is suitable for hanging. The item "WAYNE GRETZKY Auto Signed 8x10 Photo / Plaque LE 309/1851 JSA COA Free Ship" is in sale since Tuesday, February 9, 2021. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Hockey-NHL\Photos". The seller is "tubercle" and is located in Punta Gorda, Florida. This item can be shipped to United States.