What is a Medallion Signature Guarantee?

What is a Medallion Signature Guarantee? A Medallion Signature Guarantee is a special certification program used to protect investors by preventing unauthorized transfers of securities. It is a guarantee by the guaranteeing financial institution that the signature is genuine and the signer has the legal capacity to transfer the securities. Where can I obtain a Medallion Signature Guarantee? Eglin Federal Credit Union provides Medallion Signature Guarantee services for members at any branch location. Please contact our Member Service Department at (850) 862-0111 for more information.