ROBIN TROWER signed classic "Bridge of Sighs" album cover / UACC RD # 212 We are registered dealers with the UACC (RD#212) and have been selling autographs since 1986. All items come with a certificate of authenticity from Mike Munns Autographs which guarantees the signature(s) for the life of the item. Please email us with any questions. Reasonable offers will be considered.