Did you know holo swirl placements can affect the value of a Pokmon card? A holo swirl is the small spiral pattern found in many holographic cards. Because the holo foil 401 Games Canada Mysterious Fossil 109 110 Common Reverse Holo The 23 Most Rare and Expensive Pokmon Cards Dicebreaker 2016 Pokemon XY Generations Reverse Foil Pikachu #26 BGS 7.5 NRMT+ on Fanatics Collect Top 50+ most expensive rare Pokmon cards of all time 153 165 Antique Helix Fossil Pokmon 151 Common Reverse Jarvvos