Legends was the first set to feature reverse holo cards. These were the best reverse holos ever. Aka Firework Holo : r PokemonTCG Mirror Holo Error Pokmon Cards Explained 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 CGC Cards Now Recognizing Pokmon TCG's Neo Revelation "Double" Holo Variants CGC Pokemon Cards 15 Random Japanese Holo Sword & Shield Era, Near Mint Condition Holo Pokmon TCG Common Collectible Individual Card Games Bulk Collection Lot 100 Holofoil Cards