The Invincible Keepsake 2025 Gold Darkwing trading card is a limited edition collectible featuring the character Darkwing from the Invincible series. This card, numbered 1/10, was released at the San Diego Comic Con in 2025 and is made of card stock. Signed by will.i.am, it is part of Series 1 and is considered a standard size trading card. With its gold parallel variety and serial numbering, this unique card is a must-have for fans of the franchise and collectors of non-sport trading cards.