This product is a baseball signed by Mark McGwire, a former baseball player known for his home run hitting abilities. The baseball is an original and comes with a certificate of authenticity from Beckett and PSA. The title also mentions Jose Canseco, suggesting that the two players were known as the "Bash Brothers" during their time playing together.

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I only collect psa/dna, beckett, jsa, fanatics, steiner, schwartz sports memorabilia, mounted memories, radtke sports, waukesha sportscards and bills sports cards and memorabilia