This is a vintage 1999 Gyarados Pokémon card from the Base Set, featuring a Water type Sea Serpent creature with 100 HP. It is a Stage 1 Pokémon with a Holo finish, part of the Unlimited series. The card is in English, manufactured by Wizards of the Coast in the United States. Illustrated by Mitsuhiro Arita, it has an Attack Power of 50 and is a Holo Rare card number 6 out of 102 in the set.