The Gyarados (Red) 123/123 Heartgold & Soulsilver Reverse Holo card is part of the Pokémon TCG set Heartgold & Soulsilver. This holo rare card features the character Gyarados with 130 HP, making it a powerful addition to any Pokémon card collection. Manufactured by The Pokémon Company, this card is in English and belongs to the Stage 1 Pokémon card type. With a reverse holo finish, this card is a sought-after collectible for Pokémon TCG enthusiasts.