IT'S OF A CARDBOARD COMPOSITE. IT COULD ALSO BE A MANUFACTURED DEFECT. THIS IS A AUTHENTIC AUTOGRAPHED PHOTO. TO ONE OF THE GREATEST GOLF HUSTLERS AROUND! YOUR PAL FRANK SINATRA'. AFTER FURTHER RESEARCH MY COLLEAGUES & I CONCLUDED THAT POSSIBLY "DAVE" IS DAVE OR DAVID PELZ WHO WAS FRANK SINATRA'S PERSONAL GOLF COACH AND OR A PERSON HE PLAYED WITH OCCASIONALLY.
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