The product is a vintage 1999 Squirtle Shadowless Red Diamond Error card from the Pokémon Base Set #63. This rare and collectible card features the iconic Squirtle character illustrated by Mitsuhiro Arita. With a population of only 2 in existence, this English-language card is highly sought after by collectors and fans of the Pokémon Trading Card Game. The error in this card adds to its uniqueness and value, making it a prized addition to any Pokémon card collection.