Pre-order your autograph from Michael Rosenbaum, best known as Lex Luthor in Smallville. He also voiced Wally West / The Flash in Justice League and Justice League Unlimited, and appeared as Martinex in Guardians of the Galaxy Vol. 2 and Guardians of the Galaxy Vol. 3. His signature is a great addition for any superhero collection.

As the official autograph partner for New York Comic Con, Signet Collectibles witnesses every signing in person and authenticates each item with our Signet Seal, backed by our authenticity guarantee. Visit New York Comic Con to learn more about this year's event and secure your pre-order today with Signet Collectibles!