The authentication of a signature in the form of a stamp, seal, or written confirmation by a bank or member of a domestic stock exchange (or other acceptable guarantor). A notary public cannot provide a signature guarantee. A signature guarantee is a common requirement when transferring or redeeming shares or changing the ownership of an account.
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A statement by a financial institution that a signature on a document is genuine. A signature guarantee is needed in some transfers of securities and other transactions. The signature guarantee is usually made by a commercial bank or a member firm. See also: Medallion Stamp Program.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved
A written guarantee by a financial institution (nearly always a commercial bank or stock exchange member firm) that a particular signature is valid. A signature guarantee is often required on a certificate or other official document to be mailed.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.