The man behind perhaps the most powerful union in the United States, MLBPA (Major League Baseball Players Association) Executive Director Marvin Miller was one of the most influential figures in American sports history. These (2) documents are endorsed by the financial icon. Includes:

Check: drawn from the MLBPA account on New York’s Park Ave., the voucher is made out to former New York Mets pitcher Rick Baldwin in the amount of “$605.” On the appropriate line, Miller has signed in blue ballpoint (“9” strength). Baldwin has endorsed the reverse.

Novelty Check:  a gag voucher promising “One Million Dollars Worth of Good Luck,” the item is made out to Bob and Bobbie Jacobs and is signed by Miller in blue ballpoint (“10” strength).

Auction LOA from JSA.