Unopened Pokémon Card Ancient Mew Movie Promo Due to the large number of Pokémon card collectors, many cards that are not authentic are in circulation. Unfortunately, many of these can be found on flea market sites. The higher the rarity of the card, the harder it is to distinguish the fake ones. This card is authentic, so please purchase with confidence. We will ship quickly and carefully. *If you would like an authenticity check, please comment and we can set up an authenticity check for all cards. Please comment if you would like this.*