Pokémon card packs were released before Nintendo began selling the trading game and came in two varieties: first release and unlimited. The "Version 1" identification at the bottom left of the card indicates when a card was first released. These cards are extremely valuable, whereas their first-release card packs are significantly less valuable. A holographic Charizard from the Base Set, for example, may be the most well-known card and sells for around $215 You can check it through pokemon card value checker. A quick search on eBay reveals that the first generation of Charizards can easily sell for thousands of dollars.