Callway golf ball has been hand-signed and inscribed by Jim Furyk.On September 13, 2013, Furyk shot a 12-under-par 59 in the second round of the BMW Championship at Conway Farms Golf Club in Lake Forest, Illinois, becoming just the sixth player to shoot 59 in a PGA Tour event.The autograph(s) includes an official PSA/DNA hologram and matching COA for authenticity purposes.Authentication: PSA COA