THE HAT WILL COME WITH A COA ISSUED BY PSA. YOU CAN GO TO THE PSA WEBSITE AND VERIFY THE AUTOGRAPH BY TYPING IN THE CERTIFICATE NUMBER.Please check out my other items for other autographed items. Thanks for looking and good luck. The item "ANGUS YOUNG SIGNED SCHOOL BOY HAT PSA/DNA AA19445 AC/DC CAP BACK IN BLACK RARE" is in sale since Wednesday, November 18, 2015. This item is in the category "Entertainment Memorabilia\Autographs-Original\Music\Rock & Pop\Other Orig Rock/Pop Autographs". The seller is "bababaldwin" and is located in Redwood City, California. This item can be shipped worldwide.