Well in the video Below [ Register or Signin to view external links. ]
Robert Bowling Tells us that if you have ever Prestiged on any other Call of duty starting from COD 4 You well get 1 token for each game. to put it in simpler terms If You Prestiged in COD4 COD5 COD6 and COD7 You will get 4 Token It Does not matter how many times you prestige you will still ONLY GET 4 tokens he also explains that with those tokens you can choose what you want every time you prestige He Specifies that his favorite one is unlock gear which lets you unlock ONE gun for the rest of the prestige he also says that the rest of the option are double Experience not for the entire prestige but for 2 hours In game time. the rest are unlock class and some other options Hope This Help! +Rep If It Does