1984 Don Mattingly RC PSA 9 MINT LOW POP Rarest All-Star Game Insert Rookie Card. Only distributed for 1 DAY at the 1984 All-Star game in San Francisco - Very few higher exist in a perfect GEM MINT PSA 10! BY FAR the rarest of all Mattingly Rookies! The 1984 Donruss PSA 10 ($4500-5k) pop is 300+ making this card MUCH rarer! These were Hand-Cut and in MUCH lower pop totals than his 1984 Topps Fleer and Donruss RC Rookie cards which were mass-produced. Fast/Boxed/insured shipping.

Produced BY MLB for the 1981, 1982, 1983, 1984, and 1985 All-Star game program as inserts