Michael J Fox Signed Funko Pop. This item is very rare. Items comes in official Funko hard stacking case & Marlow Memorabilia Certificate of Authentication. I always try to obtain a photo proof of the signing process whenever we can. Every item comes with our Certificate of Authenticity (COA). All my items i sell are hand signed the image displayed of the product is used as an example – the signature size, position and style may vary slightly. All our items are sent via DPD with tracking details provided once your order has been processed. You can enter your DPDP tracking details onto our site to track your item.