Featured is a Christian Pulisic signed Puma soccer ball. This ball has been hand signed by Pulisic and comes with the JSA hologram and certificate of authenticity. This ball would make a great additon 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! Christian Pulisic Signed Full Size Puma Soccer Ball JSA. James Spence Authentication (JSA). Questions about this item? My about us text goes here. My authenticity guarantee text goes here.