This is a rare offering of the actual mouthpiece used by heavyweight champion "Iron" Mike Tyson in his championship victories over James "Bonecrusher" Smith on March 7, 1987 and Pinklon Thomas on May 30, 1987. This rubber mouthpiece, made just for Mike Tyson come in a white plastic case which is marked, "Tyson vs Smith & Thomas" "Tyson Mouthpiece." Comes with a letter of authenticity from Tyson's early assistant manager Steve Lott and videos of the fights showing Tyson using the mouthpiece.