* Rarity matters: There are common, uncommon, and rare cards in the 1999 Gold set. A rare card could be worth hundreds or even thousands of dollars, while a common card might only be worth a few dollars.
* Condition is key: Even rare cards can lose value if they're damaged, scratched, or bent. A pristine card in perfect condition is worth far more than a used one.
To find out what your cards are worth, you'll need to:
1. Identify the cards: Look up the names of your cards online or use a Pokemon card app.
2. Check their condition: Compare your cards to pictures of cards in different conditions online to get an idea of their quality.
3. Research their value: Once you know the name and condition of your cards, search online for their estimated value. Sites like TCGPlayer, Troll and Toad, and eBay can give you an idea of prices.
Remember: Prices can fluctuate, and it's always best to get a professional appraisal if you're considering selling valuable cards.