Mike Hampton Autographed Official Major League Baseball - JSA COA Gary Zimmerman Each autograph and inscription is

Each autograph and inscription is authenticated by BAS (Beckett Authentication Services)

About The Highland Mint

A strong pick for Denver Broncos fans

Why This Card Matters:

Mike Hampton Autographed Official Major League Baseball - JSA COA Gary Zimmerman Each autograph and inscription isOwn a piece of Colorado Rockies and MLB history with this Mike Hampton autographed official Major League Baseball. This premium collectible features the authentic signature of the All Star left handed pitcher, complete with JSA certification for guaranteed authenticity. JSA Certified Authenticity This autographed baseball comes with a James Spence Authentication (JSA) Certificate of Authenticity, one of the industry's most trusted authentication