CGC & JSA 8.0 *TRIPLE SIGNED* – Uncanny X-Men #221 – First Mr Sinister 🔥KEY ISSUE 🔥 Add this piece of comic book history to your collection! Signed by: Chris Claremont Marc Silvestri Tom Orzechowski Great looking comic! I’m not a professional grader, so please see photos provided. Let me know if you have any questions or need additional photos before purchasing. Check out my other items!