Pokemon Cards
Pokemon cards were once all the rage, and their popularity has been steadily rekindled with the development of Pokemon Go. First edition cards from 1999 to 2000 are worth the most amount of money. For instance, if you happen to find a Pikachu Illustrator Card laying around, you just scored $100,000—but some cards, like the First Edition Shadowless Lightning Energy, might only sell for $1.
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