1989 MARK MCGWIRE Baseball's Top Twenty Series I (Unlicensed) card.  "Big Mac".  Oakland Athletics 1B.  583 Home Runs.  Excellent condition - Near Mint.  Played Collegiately for The University of Southern California (USC).  Played on the 1984 Silver Medal Olympic Team.  Oakland A's 1st (10th Overall) Round 1984 MLB Draft Pick.  Condition is Like New.  Shipped with eBay standard shipping envelope.  Card protected by penny sleeve and top loader.  Shipping only to the continental United States.  Card shown will be shipped.  Card will be shipped no later than next day (Except weekends).