Featured is a Christopher Lloyd signed Back To The Future Dr. Emmett Brown Funko Pop. This Pop was hand signed by Christopher Lloyd and authenticated by JSA authentication services. Included with the figure is a JSA 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! Christopher Lloyd Signed Dr. Emmett Brown Back To The Future Funko Pop #50 JSA. James Spence Authentication (JSA). Questions about this item? My about us text goes here. My authenticity guarantee text goes here.