Medinah PGA Championship golf flag signed in felt tip on the front by over forty participants, including past champions. Signers include: Vijay Singh, Kenny Perry, Jose Maria Olazabel, Chris DeMarco, Zach Johnson, Stuart Appleby, Paul Casey and Jim Furyk. In fine condition, with a PSA/DNA authentication label affixed to lower right corner. LOA Steve Grad/PSA/DNA and R&R COA.