The Mega Evolution Partially Complete Base Set Promos Cosmos Holos Pokemon Cards are a collection of English language Pokémon Trading Card Game (TCG) cards from the Base Set. Manufactured by MEGA, these standard-sized cards are made of durable card stock and feature a holographic finish. While not autographed, they come with professional authentication from the Professional Sports Authenticator (PSA). This set includes promotional cards with unique designs, making it a valuable addition to any collector's stash of Pokémon cards.
