This Mark Rypien 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 Mark Rypien. Prime One Sports is an online leader in authentic Mark Rypien signed memorabilia. Your order ships out same day. Commemorate the career of Washington Redskins great, Mark Rypien with a certified collectible at a great value.