The One Piece x MLB Art Card is an unlicensed fan-art release from 2025, a series of cards that pairs the Japanese manga and anime's characters with the look and feel of baseball card design. Sets like this sit in an interesting spot in the hobby, where collectors have long enjoyed crossover cards that blend pop culture with sports memorabilia. Because the cards are unlicensed, they are best understood as artist-driven collectibles, valued for their creativity and for how neatly they bridge two very different fan communities. Card 6 features Tony Tony Chopper, the reindeer doctor of the Straw Hat crew and one of the most beloved characters in the series. Collectors often seek out Chopper cards for his warm, distinctive design and the affection fans hold for his character, which makes this card a natural favorite for anime and baseball collectors alike.