After years of collecting Mattingly, always looking for something new to add. Here's a fun piece from what should have been his 2nd consecutive MVP season November 1986 Baseball Card Digest 2003 Topps Pristine Don Mattingly #99 RARE CARD! Don Mattingly RARE REFRACTOR ICE PRIZM INVESTMENT CARD New York Yankees SSP eBay 1987 All Star MLB 606 Don Mattingly RARE MULTIPLE ERRORS WHITE ON EAGLE WING TIP 2018 Topps Living #85 Don Mattingly Card New York Yankees Psa 10 Low Pop Rare Sports Memorabilia: Rare, Signed Don Mattingly Baseball Card, COA eBay