Bruce Springsteen Signed Autographed Baseball COA HologramBruce Springsteen signed Major League baseball. Complete with numbered certificate document and hologram from Boston memorabilia. All of our Certificates of Authenticity ( COA ) state the location and date of where the autograph signature was obtained. We are the only dealer as far as we know that provides this information with every item! In the hobby of memorabilia, this is very important.