An unopened box of original Pokémon cards from 1999 has sold at auction for a mind-boggling $56,000 in the United States, Kotaku reports.

The first edition box was sold by Huggins & Scott auction house last week with the bidding starting at $20,000. While the final price is astonishing, memorabilia and collectibles from the multi-billion dollar franchise have commanded similarly crazy prices before now. For example, a single pristine holo Charizard card sold for $55,650 on eBay last April. So while you gotta catch ’em all, you also gotta fork out to do so.

According to Huggins & Scott, the item is one of few unopened first-edition booster set boxes with a limited printing English base. The description notes that the box contains 36 packs of 11 cards, with each pack including five common, three uncommon, two energy, and one rare or foil card, giving the buyer the chance to land a Charizard all of their own.

In its listing, the auction house also noted the sealed box “has been in the possession of our consignor since release decades ago.” That's some pretty long-term thinking.

For further details, visit Ludkins Collectables.

Now, check the value of your Pokémon cards.