Item: Bernard Fowler The Rolling Stones Signed Autograph Microphone PSA/DNA COA Description. This Microphone has been hand signed/autographed by Musician, Bernard Fowler. The microphone features PSA/DNA Authentication. PSA/DNA Certification Number: AH25134. At Nick’s Sports Autographs we specialize in 100% authentic, Sports, Political (including Presidents) and Celebrity Autographs (Hollywood and Music). We travel worldwide to obtain our inventory.