I assume you recognize the image at right.  The picture at left was taken by ESPN’s Bill Simmons at a giant sports memorabilia convention.  It really is Tom Landry’s hat!  The game worn fedora will run you $4,000. No word on any motivational powers it possesses, but the weather machine and germ warfare divisions are rumored to be in a bidding war over Vince Lombardi’s overcoat.