Nidoqueen δ is a Rare Holo card from the Dragon Frontiers set, designated as card #7. As a Reverse Holofoil variant, it features unique artwork and a distinctive foil treatment that appeals to collectors. Currently valued at $24.36, its market presence reflects interest in both the Delta Species mechanics and the nostalgia associated with earlier Pokémon sets. Grading trends for this card can also influence its value among enthusiasts.