The Pokemon TCG has had its ups and downs since the late 1990s, but its renaissance in the 2020s has been stronger than ever, thanks to a renewed interest in both valuable modern and vintage cards.

There have always been individual Pokemon cards with crazy high resale prices on sites like TCG Player and eBay. However, recently, the reseller market has felt more focused on unopened products.

A GameStop customer in Grapevine, Texas, has set the record for the highest value trade-in at one of the company’s stores. As detailed in a statement by GameStop, a customer brought in an ...