This Bill Romanowski Autographed NFL Supergrip Football - Prime One Sports Authentic comes with a Certificate of Authenticity (COA) from Seller. The product has been personally hand-signed by Bill Romanowski. Prime One Sports is an online leader in authentic Bill Romanowski signed memorabilia. Your order ships out same day. Commemorate the career of Denver Broncos great, Bill Romanowski with a certified collectible at a great value.