Featured is a Willie Mays signed New York Giants Cooperstown Collection baseball hat, inscribed "660". This hat has been hand signed by Mays and comes with the PSA hologram and certificate of authenticity. Included with this hat is a deluxe acrylic display case. This hat would make a great addition to any sports memorabilia collection! SPECIFICATIONS Autographed By: Willie Mays Team: New York Giants Sport: Baseball Authentication: Professional Sports Authenticator (PSA)