Mark McGwire Rookie Era 1980's Signed American League Baseball PSA DNA COA

Mark Mcgwire "Big Mac 70 HR 1998" Signed St. Louis Cardinals Game Model Jersey with holograms from Steiner and MLB Authenticated. Section #1 List...

Mark Mcgwire Signed 1998 Home Run #70 Ticket PSA DNA GEM MINT 10 Auto#92554246352 Listed with ExportYourStore.com

Mark Mcgwire "Big Mac 70 HRS 1998" Signed Inscribed Magazine With Steiner COA #3524762 Listed with ExportYourStore.com

Mark Mcgwire & Sammy Sosa Signed Major League Baseball Steiner COA D#26

Mark Mcgwire Signed Official Major League Baseball PSA DNA COA D#26