The ACE 10 Mega Charizard X ex #023 UPC Promo is a highly sought-after collectable card from the Pokémon TCG universe. This English-language card features a stunning Holo finish and belongs to the Stage 2 Charizard ex series. Illustrated by 5ban Graphics and graded by Ace Grading, this card has a Black Star Promo rarity and is authenticated by Professional Sports Authenticator (PSA). With its hard-signed autograph by Ryo Ueda, this card is a valuable addition to any Pokémon card collection, especially for fans of the Pokémon League event.