The Topps Stranger Things Sketch Card Demogorgon 1/1, autographed by Ryan Olsen, is a highly sought-after collectible for fans of the popular TV show. This standard-sized card features an original illustration of the character Demogorgon by Ryan Olsen, making it a unique and valuable addition to any trading card collection. The card is officially licensed by Topps and is sure to be a standout piece for any collector with its 1/1 rarity and personal touch with Ryan Olsen's signature.