This 1999 Donruss Preferred Dan Marino #6A Chain Reaction Prizm card is a must-have for any Miami Dolphins fan. This sports trading card features an iconic image of Marino in his prime, and is part of a limited edition set of only 5000 cards. The card has been professionally graded by Certified Guaranty Company (CGC) and received a grade of 9.5. It is also serial numbered and comes with a certification number of 1401008833241. This card is perfect for collectors and fans alike who want to own a piece of NFL history.