Pokemon card prices differ in size and feature. Some symbols indicate qualities and signs that one wants to signify. If the star is shown, it means it is rare. The character in the card indicates the type of feature one card has. The Pokemon card prices change depending upon the people who sell, buy, and speculate.Visit us: http://www.game-baby.net/know-pokemon-card-prices-before-you-buy-or-sell-cards/