Featured is a Christopher Lloyd signed Doc with Helmet Back to the Future Funko Pop #959. This Funko Pop was hand signed by Christopher Lloyd in the presence of a JSA authentication representative. Included with the figure is a JSA witnessed hologram and certificate of authentication. This item would make a great addition to any sports 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! Christopher Lloyd Signed Doc w/ Helmet Back to the Future Funko Pop #959 JSA ITP. James Spence Authentication (JSA). Questions about this item? My about us text goes here. My authenticity guarantee text goes here.