The Old Helix Fossil (Master Ball Foil) C 154/165 SV2a Pokémon Card 151 is a rare and sought-after collectible card from the Pokémon TCG. This Japanese card features the iconic Old Helix Fossil design with a holographic finish, making it a valuable addition to any collector's deck. Manufactured by Nintendo, this Trainer-Item card is a part of the Scarlet & Violet set, making it a must-have for fans of the Pokémon franchise looking to expand their collection with unique and colorful cards.