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Sean Gamble 2026 Leaf Metal Baseball Pre Production Proof 1/1 Kansas City Royals
$5.99
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Rare 2026 Leaf Metal Baseball pre-production proof card featuring Sean Gamble. This is a one-of-one (1/1) item from the production process, making it an exceptional find for serious collectors. Pre-production proofs offer a unique glimpse into card manufacturing and are highly sought after for their scarcity and historical significance. Perfect for the dedicated baseball card enthusiast or Gamble fan looking to own a truly unique piece.