This Karlos Williams Autographed Florida State Seminoles White Panel Football - 2013 Natl. Champs - Prime One Sports Authentic comes with a Certificate of Authenticity (COA) from Seller. The product has been personally hand-signed by Karlos Williams. Prime One Sports is an online leader in authentic Karlos Williams signed memorabilia. Your order ships out same day. Commemorate the career of Florida State Seminoles great, Karlos Williams with a certified collectible at a great value.