mark made by a seal or a stamp
Seal (emblem) The seal-making device is also referred to as the seal matrix or die; the imprint it creates as the seal impression (or, more rarely, the sealing).[1] If the impression is made purely as a relief resulting from the greater pressure on the paper where the high parts of the matrix touch, the seal is known as a dry seal; in other cases ink or another liquid or liquefied medium is used, in another color than the paper.
Stamp Act 1765 The Stamp Act of 1765 (short title Duties in American Colonies Act 1765; 5 George III, c. 12) was an Act of the Parliament of Great Britain that imposed a direct tax on the Thirteen Colonies and required that many printed materials in the colonies be produced on stamped paper produced in London, carrying an embossed revenue stamp.[1][2] Printed materials included legal documents, magazines, playing cards, newspapers, and many other types of paper used throughout the colonies. Like previous taxes, the stamp tax had to be paid in valid British currency, not in colonial paper money.[3]