Factors affecting value:
* Rarity: Cards with lower print runs (e.g., "Secret Rare," "Full Art," "Gold Star") are typically more valuable.
* Condition: Mint condition cards fetch higher prices. Even slight damage can significantly decrease value.
* Popularity: Iconic characters like Charizard, Pikachu, and Mew are often highly sought after.
* Age: Older cards, especially from the original sets, are generally more valuable.
* Set/Series: Specific sets, like "Base Set," "Fossil," and "Team Rocket," are known for their collectible value.
* Playability: Competitive cards with strong abilities or powerful attacks are in demand for tournament play.
Some of the most valuable Pokémon cards:
* Pikachu Illustrator (Promo): A rare promotional card awarded to winners of an illustration contest, it's considered one of the most valuable Pokémon cards.
* No Rarity (Charizard): A rare card from the Japanese "No Rarity" set, it's highly sought after by collectors.
* Gold Star Espeon/Umbreon: These cards from the "EX Emerald" set are highly prized for their unique artwork and scarcity.
* Charizard (First Edition Shadowless): A valuable card from the first English-language "Base Set," known for its lack of a shadow behind the artwork.
* Venusaur (First Edition Shadowless): Another highly valued card from the "Base Set," due to its rarity and iconic design.
* Pikachu (Holofoil, First Edition): A classic card with a holographic finish, it's a popular choice for collectors.
Ultimately, the "best" Pokémon card for you depends on your personal preferences and collecting goals. If you're looking for an investment, research the most valuable cards. If you're a casual collector, choose cards you enjoy for their artwork or nostalgic value.