Muhammad Ali Autographed Memorabilia. Check out Muhammad Ali Autographed 3x5 Index Card Vintage - PSA/DNA. This 3x5 Index Card that has been personally hand signed by Muhammad Ali. This vintage signature. It has been authenticated by PSA/DNA and comes encapsulated in their tamper-proof holder. PSA/DNA is the leading third-party authenticator in the autograph industry. This cut signature is a real collector's item. This glove is a great gift idea for any sports fan or memorabilia collector. Commemorate the great career of Muhammad Ali with this authentic signature, or check out other souvenirs at SportsCollectibles.com for more products autographed by Muhammad Ali. When it comes to Sports Memorabilia, SportsCollectibles.com offers a wide selection of Muhammad Ali Autographed Cut Signatures. Product will ship in 1-3 business days with free shipping on orders over $200. Buy with confidence as this is an authenticated Muhammad Ali autograph.