Muhammad Ali Autographed Memorabilia. Check out Muhammad Ali Autographed 8x10 Photograph Vintage - PSA/DNA Certified. Collectors and fans will love this 8x10 Photo that has been hand signed by Muhammad Ali. Collectors and fans will love this vintage signature. It has been certified authentic by PSA/DNA and comes with their sticker and matching full page certificate of authenticity. Talk about a great gift idea for a Other Sports Memorabilia > Boxing collector or a Muhammad Ali fan. Product will ship in 1-3 business days with free shipping on orders over $200. Shop with confidence as this is an authenticated Muhammad Ali autograph.