Autographs of Marvin Miller
Marvin Julian Miller (April 14, 1917 – November 27, 2012) was an American labor union leader and baseball executive who served as the first executive director of the Major League Baseball Players Association (MLBPA) from 1966 to 1982. Miller led MLBPA during three strikes and two lockouts. Under Miller's direction, the players' union was transformed into one of the strongest unions in the United States.
Miller grew up in a working-class family in the Flatbush neighborhood of Brooklyn, New York, and began his career with positions at various prominent unions. In 1950, he became a key figure in the organized labor world when he was made the principal economic advisor of United Steelworkers, serving as one of its contract negotiators. In 1966, Miller departed from USW when he won a landslide victory in a players' vote to become leader of the MLBPA.
Miller advised St. Louis Cardinals outfielder Curt Flood in his 1972 Supreme Court challenge against baseball's reserve clause that prevented players from entering free agency. The same year, Miller presided over the first-ever major league strike that yielded a pension fund increase. In 1974, Miller coordinated with players Andy Messersmith and Dave McNally in a bid for free agency that resulted in the abolition of the reserve clause in the 1975 Seitz decision.
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Traded items with a signature of Marvin Miller
The most expensive item with a signature of Marvin Miller (MARVIN MILLER MLBPA HOF Executive & James "Jim" KAAT Double HOFers Signed Check) was sold in August 2025 for £329.55 while the cheapest item (A Whole Different Ball Game by Marvin Miller SIGNED bookplate 1991 Hardcover) found a new owner for £18.51 in November 2024. The month with the most items sold (6) was March 2026 with an average selling price of £97.92 for an autographed item of Marvin Miller. Sold items reached their highest average selling price in August 2025 with £329.55 and the month that saw the lowest prices with £33.29 was February 2026. In average, an autographed item from Marvin Miller is worth £83.21.
Most recently, these items with a signature of Marvin Miller were sold on eBay - click here for more items.












