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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 ...
Registered professional engineers also use embossing seals to certify drawings, thereby guaranteeing to the recipient that due diligence has been exercised in the design. Government agencies use embossed seals to certify that an important document, such as a birth certificate , court order , etc., is an authentic, original copy, rather than a ...
They gradually replaced stamp seals, becoming the tool of a rising class of bureaucrats in the early stages of state formation. Even though stamp seals were still produced in the third and second millennia, cylinder seals predominated. In the first millennium, stamp seals made a strong comeback and eventually replaced cylinder seals entirely.
The stamp seal (also impression seal) is a common seal die, frequently carved from stone, known at least since the 6th millennium BC (Halaf culture [1]) and probably earlier. The dies were used to impress their picture or inscription into soft, prepared clay and sometimes in sealing wax .
In the Western Zhou, sets of seal stamps were encased in blocks of type and used on clay moulds for casting bronzes. By the end of the 3rd century BCE, seals were also used for printing on pottery. In the Northern dynasties textual sources contain references to wooden seals with up to 120 characters. [7] The seals had a religious element to them.
The adhesive embossed postage stamps of the United Kingdom, issued during the reign of Queen Victoria between 1847 and 1854 exhibit four features which are unique to this issue: 6d lilac embossed postage stamp 'cut to shape' The method of production of the dies used for the printing; The use of silk threaded paper (on two of the values)