Over the decades, the T206 Wagner has become one of the rarest and most valuable collectables in the world. The most famous example is the “McNall/Gretzky Wagner,” once owned by former Los Angeles Kings owner, Bruce McNall and hockey legend, Wayne Gretzky. It sold for $451,000 in 1991 and again in 2011 for $2.5 million, however, its record was later surpassed…