Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...

Medallion signature guarantees are for transferring securities, not general use like notarized docs. Only specific financial institutions can issue medallion guarantees, linked to an existing account.

I am a registered representative and work out of a credit union. The credit union has a Medallion Stamp Signature Guarantee. We try to follow the guidelines offered by Kemark Financial Services (which ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A signature guarantee is a form of authentication, issued by a bank or other financial ...