Koby appears as a promotional card for the One Piece Card Game, issued in the One Piece Promos set and catalogued as #098. As an Online Regional Winner variant with Online Regional Winner rarity, it represents a prize-level promotional release rather than a standard pack pull. Market listings currently show a value of $0.00, indicating no recent recorded sales or limited tradability. Collectors view it primarily as a tournament memorabilia piece rather than a high-demand play or investment card.