A raised, inked impression on a document, typically made with an embosser or similar device, creates an official and tamper-evident seal. This physical mark, often accompanied by the notary’s signature and other... Read more »
A mark of authentication affixed to a document or other object typically involves an embossed or inked impression applied to a closure, ensuring its undisturbed state. For example, an embossed emblem on... Read more »
A government-issued mark affixed to mail, signifying official validation and prepayment of postage, served as a critical component of secure communication and revenue generation for postal services. These markings, often embossed or... Read more »