LARRY CSONKA SIGNED MITCHELL AND NESS AUTHENTIC THROWBACK (1972). In the presence of an East Coast Sports Marketing representative. It is accompanied by a serially numbered certification sticker with matching card and is guaranteed authentic. The item pictured is equivalent to the exact item you will receive, only the certification number will be different. Authenticity can be verified by visiting the company website and entering the certification number in the space provided. ECSM is a premier sports marketing agency and event promotions company. Our current exclusive autograph/appearance clients are: NBA and College Legend and Icon Bill Walton, Pro Football HOF Larry Csonka, MLB Hall of Famer Harold Baines and Alan Trammell, “The Cobra” Dave Parker, Eagles All-Time Leading rusher LeSean McCoy, NFL Superstar Austin Ekeler, Colts Legend and Future HOF’er Reggie Wayne, Jaguars Legendary QB and the current QB coach for the Detroit Lions Mark Brunell. In addition to our exclusive autograph athletes listed above, we are also involved in player autograph signings through our show/event promotions of “The Philly Show” located in Oaks, PA and “CSA Shows” located in Chantilly, VA. Each of these events takes place 3 times per year where we typically feature between 25 and 80 signing guests per event. Please be sure to check us out and come to one of our shows. Please do not message us with any offers for an item. If we are looking to discount our item we will use the “Best Offer” option or we will put the item on sale.