This Autographed 2011 Waste Management Open Logo Pin Flag has been Personally Signed by Notable Signatures Include: Vijay Singh, David Toms, Ben Crane, Phil Mickelson, Rickie Fowler, Rocco Mediate, Rory Sabbatini, Jesper Parnevik, Webb Simpson, Chris DiMarco, Tom Lehman, Brandt Snedeker, Jerry Kelly, Hideki Matsuyama, Y.E. Yang & 15 more.. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website.