Roger Clemens "300 Win Club" Signed Official Major League Baseball #188/300 (Tristar/MLB))

Roger Clemens "300 Win Club" Signed Official Major League Baseball #188/300. Signed in blue pen across the side panel of an Official Allan Selig baseball. Inscribed "300 Win Club 6/13/03". This baseball is authenticated by Tristar Cert#0292317 & MLB Cert#MR276470.