Jolina Gisèle isn't exactly your typical Pokémon card collector. Stored in a Swiss vault, 20-year-old Jolina claims the collection is made up of 60,000 cards and is worth £90million. Jolina claims to have gotten hooked on the Pokémon trading card game when she was a young girl in rural Switzerland. All of a sudden my dad was addicted to shopping for Pokémon cards.' Currently, Essex brothers Owen and Conner Grey hold the Guinness World Record for the largest collection with 43,339 Pokémon cards.