Rolling Stones Keith Richards Signed Autograph 1976 Limo Driver Receipt JSA LOA. Rare 1976 Handwritten Receipt Autographed by Legendary Guitarist Keith Richards. Comes with a Full Letter of Authenticity (LOA) from James Spence Authentication (JSA) for the Autograph’s Authenticity. The Certification Number is: ZZ94496. Please feel free to reach out with any questions!