Featured is a Michael J. Fox signed Back To The Future Funko Pop #962. This Funko Pop was hand signed by Michael J. Fox in the presence of a PSA authentication representative. Included with the figure is a PSA witnessed hologram and certificate of authentication. This item would make a great addition to any entertainment memorabilia collection. 100% Guaranteed Authentic Autographs. Sign up for our Sports Integrity Newsletter for deals and upcoming autograph signings! Sign up to receive special insider notifications of deals and upcoming autograph signings! Fox Signed Back To The Future Funko Pop #962 PSA. Professional Sports Authenticator (PSA). Questions about this item? My about us text goes here. My authenticity guarantee text goes here.