infinity zone booster box Pokémon OCG: [S3] Sword & Shield - A booster contains 5 cards. [Sealed] Infinity Zone Booster Pack

A holographic card is a special type of card from the Pokmon Trading Card Game

Retrieved October 28, 2011

Cards are typically numbered in a specific order within a set: Grass-type Pokemon Fire-type Pokemon Water-type Pokemon Lightning-type Pokemon Psychic-type Pokemon Fighting-type Pokemon Darkness-type Pokemon Metal-type Pokemon Dragon-type Pokemon Colorless-type Pokemon Trainer cards (Items, Tools, Supporters, Stadiums) Energy cards Secret Rares: Numbers Above the Set Count This is one of the most useful things the collector number tells you

So much so that it is currently banned on the Forbidden and Limited List and has been for a few years now