Dan Marino Autographed Photos are top selling items among Miami Dolphins signed collectibles. This item has been personally hand-signed by Dan Marino and comes comes complete with a Certificate of Authenticity (COA) from Seller. The product will also be affixed with a hologram and sticker with a serial number to confirm authenticity. This Dan Marino Autographed 20x30 Canvas - Prime One Sports Authentication is backed by Prime One Sports Online's 100% Money Back Guarantee. Order ships same day.