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Mark McGwire & Sammy Sosa Signed 1998 World Series Baseball. Comes with full letter JSA COA.  #91019928372 D#61

Mark Mcgwire & Sammy Sosa Signed Major League Baseball Beckett COA Steiner D#53 Listed with ExportYourStore.com

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

Mark Mcgwire & Will Clark Pre Rookie Signed 1984 Olympics Signed 11x14 Photo JSA COA Exported By ExportYourStore

Mark McGwire 1980's Personal Game Used Oakland A's Duffle Bag. Comes from an old friend of Mark Mcgwire. 

Mark Mcgwire 1984 Team USA Olympics Team Signed Baseball Bat With JSA COA #911982873 Bin #5 Exported By ExportYourStore

Mark Mcgwire 1987 AL Home Run King Rookie Signed Game Model Baseball Bat JSA COA #9179828732 Bin #12 Listed with ExportYourStore.com

Mark McGwire 1987 AL Home Run King Signed Game Model Bat With JSA COA #91552636 Bin #11 Exported By ExportYourStore

Mark Mcgwire 1987 Rookie Signed Game Model Baseball Bat "49 Home Runs" JSA COA #9179828732 Bin #12 Exported By ExportYourStore

Mark Mcgwire Rookie Of The Year 1987 Signed Game Model Baseball Bat Inscribed Comes with full letter JSA COA.  Bin #3

Mark Mcgwire 1992 ALCS Playoffs Game Issued/ Used Rawlings Adirondack Bat Bat Bin #7 Exported By ExportYourStore

Mark Mcgwire 1997 Oakland A's team signed game used Russell Athletic Size 50 jersey. Has Jackie Robinson Patch. 30 signatures with Mark Mcgwire, ...

Mark Mcgwire 1997 St. Louis Cardinals Opening Day Commemorative Baseball D#114 Exported By ExportYourStore

Mark Mcgwire 1998 70 Home Runs Signed National League Baseball PSA DNA COA #9689387476 D#18 Listed with ExportYourStore.com

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

Beautiful Mark Mcgwire "70 Home Runs 1998 HR Race" & Sammy Sosa Signed heavily Inscribed Baseball With Steiner COA. #7/24.  #92127652 D#95 ...

Mark Mcgwire Jose Canseco & Wally Joyner Rookie Signed 11x14 Photo   Exported By ExportYourStore

Presented here is an Official Ball 1989 World Series A. Bartlett Giamatti stamped baseball that has been signed by four key members of the World C...

1986 Tacoma Tigers team signed Official Pacific League baseball.  AAA Minor League they were 72-72 (2nd in Pacific Coast League Northern). ...

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

Mark Mcgwire Rookie Era Multi Signed Official 1981 All Star Game Baseball JSA COA #2832762 D#41 Exported By ExportYourSto...

Mark Mcgwire Rookie Signed 1988 All Star Game Baseball Bat. Full letter JSA COA. #9179828732 Bin #12 Listed with ExportYourStore.com

Mark Mcgwire Rookie Signed Game Model Baseball Bat Inscribed 39 Home Runs Comes with full letter JSA COA.  Bin #3

Mark Mcgwire Rookie Signed Inscribed Bat "39th Home Run 8-14-87". Full letter JSA COA. #9179828732 Bin #12 Exported By ExportYourStore