Nikco Sports hereby certifies and guarantees this. Limited-Edition Cleveland Browns 75th Anniversary Football is one of only 2,021 produced. The enclosed custom-designed football is officially licensed and distributed. Exclusively through Nikco Sports of St. This historic piece of memorabilia celebrates the 75th Anniversary of the Cleveland Browns and their. 4 Time NFL Champion History. Each commemorative football is fully licensed. And authenticity is guaranteed by Nikco Sports.