<P> Some banks may no longer provide this service; however, many still do as well as other financial institutions such as a savings and loan association (a thrift) and credit unions . At their sole discretion these institutions may provide the medallion signature guarantee stamp . These institutions would be able to provide clarification on their requirements for providing the stamp . Each of these institutions is different and may have different requirements for documentation necessary from one to the next . </P> <P> When US citizens are abroad and unable to obtain a medallion signature guarantee stamp, with prior notice of the substitution some financial institutions may accept a United States embassy seal in its place . Financial institutions outside the United States which have a correspondence relationship with a US bank may be able to offer a medallion signature guarantee to existing customers . </P>

Where do you get a medallion guarantee stamp