Herbie Hancock Signed Vinyl Record! This authentic signed record has been personally autographed by Herbie Hancock. This item comes with a Certificate of Authenticity (COA) from Rad Autographs. If you want a certain record, please send us a message during checkout letting us know which one, otherwise we’ll select the first one by default. Signed By: Herbie Hancock. Obtained by: Rad Autographs. Rad Autographs specializes in providing only authentic, in-person autographs. This autograph comes with a Certificate of Authenticity issued by Rad Autographs. We assure that all our autographed memorabilia will pass verification by any third-party authentication company. If you have any inquiries, please don’t hesitate to send us a message; we will respond swiftly.