Welcome to Tribeca Signatures NYC. We travel the globe to attend events, movie screenings, film festivals, concerts, private autograph signings and various other events to be able to provide our customers the best autographs for their collections. Every single item comes with a Certificate of Authenticity from either Beckett Authentication, PSA DNA, JSA or Tribeca Signatures NYC. Signature(s): Keith Richards. Item Size: 12×12 Vinyl/Album. Location of Signing: NYC Recording Studio (See Exact Proof). Authentication: Beckett Authentication (BAS) #: AC98046.