Mark McGwire. JSA cert # KK67237. It is signed in blue sharpie. 1999 Sports Illustrated. signed in person by.
RARE Mark McGwire Signed Sports Illustrated JSA COA Fathers & Sons Special Issue
Baseball Hall of Fame Authentics
Mark McGwire St. Louis Cardinals signed Framed and Matted 8x10 photo JSA Q30348
Autographed Mark McGwire Picture - Framed Matted 8x10 JSA Q30348
Mark McGwire Signed Team USA Olympic Jersey (JSA COA) – Super Sports Center
Mark McGwire Jose Canseco Dual Signed Auto ROMLB Baseball JSA COA Bash Brothers
1984 Team USA Olympics Team Signed Baseball With Mark McGwire JSA COA — Showpieces Sports
Mark McGwire Signed Auto Autograph 8x10 Photo JSA AM86995
Mark McGwire Oakland Athletics Fanatics Authentic Deluxe Framed Autographed Mitchell & Ness Yellow Replica Batting Practice Jersey
Mark McGwire Signed Athletics 8x10 Photo (JSA)