Mark Mcgwire 70 Home Runs 1998 HR Race & Sammy Sosa Signed Baseball Steiner COA

Mark McGwire Rookie Era 1980's Signed American League Baseball PSA DNA COA #95049898263 D#18 Listed with ExportYourStore.com

1987 Oakland A's Commemorative baseball featuring Mark McGwire, Dave Stewart and Joaquin Andujar as well as Hall of Famers Tony La Russa, Dennis E...

Mark Mcgwire 1998 St. Louis Cardinals Team Signed Louisville Slugger Baseball Bat. 30+ Signatures.  Comes with JSA COA.  Bin #16 Listed with...

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 Authentic 1998 St. Louis Cardinals Game Model Jersey Steiner COA. The jersey has some staining. See photos.Section #1 Listed ...