While it's pretty unlikely you'll have one of these ultra-rare Pokémon cards lying around at home, you're in for a serious treat if you do.

The massive success of the Pokémon Go augmented app game, launched in 2016, re-ignited interest in the retro trading cards.

An example of the rarest, the Pikachu Illustrator card of which only 39 copies are known to exist, was purchased for an astonishing $5.3 million in 2021 by YouTuber Logan Paul. It was recognized with a Guinness World Record for the highest private sale of a Pokémon card, but with Paul recently suggesting he may sell the prized possession, could an even larger price tag be around the corner?

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