Add a piece of Miami Dolphins history to your collection with this Mark Duper Autographed 2010 Panini Threads Gridiron Kings #20 #16/50 SGC Authenticated 9 Card. This sought-after card features the legendary wide receiver who terrified opposing defenses for 11 seasons with the Miami Dolphins. A member of the famed "Marks Brothers" with fellow wideout Mark Clayton, Duper was a three-time All-Pro selection and helped Miami reach Super Bowl XIX in 1985. Graded 9 by SGC, this limited edition card (No. 16 of 50) is a must-have for any serious Dolphins fan or collector of football memorabilia.