# Card Notes Pokémon Base Set stands as the foundation of modern trading card collecting. Released in 1999, it introduced millions to the TCG phenomenon and established the hobby's fundamental appeal. This inaugural release captured the cultural moment when Pokémon was transitioning from video game to worldwide sensation, making Base Set cards cultural artifacts as much as collectibles. The set remains the benchmark against which all subsequent Pokémon releases are measured. Mewtwo represents one of Base Set's most iconic offerings, featuring the legendary psychic powerhouse from the franchise. The holographic treatment brings the character to vivid life on the card stock. Collectors pursue this particular card for its significance within the set's legendary roster and its striking visual presence, making it a cornerstone piece for those building comprehensive Base Set collections.