It’s almost twenty years since the Japan-based Media Company began the Pokémon Trading Card Game, first producing the much fought-over cards in October 1996. Only the most devoted players would countenance the eye-watering costs players have gone to the attain the most valuable card of all. The Pikachu Illustrator trainer card was a limited promotional run, written in Japanese, for winners of a 1997 contest. Only thirty-nine were produced – and in 2009, one was sold for $20,000 in 2009. If you missed out, don’t worry – one was known to be on sale for $100,000 in 2013.