Kobe Bryant -- 'Mamba Mask' Hits Auction Block ... Expected To Rake In Over $50K!!

Kobe Bryant fans, here's your chance to come face-to-face with the Mamba himself (kinda) ... 'cause the NBA legend's game-worn protective face masks just hit the auction block!! During the 2012 All-Star game, Dwyane Wade fouled Kobe hard, and…