For sale is this actual Mark McGwire Signed / Autographed 1987 Oakland Athletics A's Baseball 22x34 Poster. In the picture, he is wearing an A's jersey with the All-Star patch on it.
McGwire signed this for me at a public signing in Walnut Creek, CA in 1988. What an awesome guy!
The signature on this poster is 100% Guaranteed to pass PSA, JSA, or Beckett. We've been on eBay for over 2 decades with NO authenticity issues so you can confidently BUY IT NOW.
Condition is as shown. This poster had been rolled up for decades, and it would have to be flattened before displaying. The poster will be sent out in a poster tube.