Role of bank notes by gcneophil9



A bank note is a generally rectangular, two-sided paper that serves as a bill of exchange.
Colloquially bills are referred by their nature as paper money, notes are in addition to coins.

Since the nineteenth century, the banknotes are printed on coated fine paper, highly resistant to
aging and handling, carrying a watermark, consisting exclusively of pulp from cotton cloth
having undergone a very thorough refining; this paper is coated with gelatin and air dried before
undergoing a very high calendering.

In the past thirty years more and more countries adopted polymers tickets (eg polypropylene),
which is much harder to tear and wrinkle. In 2008, five countries had entire polymer banknotes:
Australia, New Zealand, Brunei, Romania and Vietnam. A dozen others have such notes in

The collection of banknotes is a popular pastime in some countries and collectors called


In a first step, an offset machine prints simultaneously on both sides of the paper, several
intertwining lines with such precision that the concordance between the lines of the front and
back produces effects in transparency.

In a second step, printing the chameleon (the value of the ticket is printed with an ink that
changes color when it catches light from a different angle) and the magic number (it appears
only under a specific angle light), both applied by screen printing. Then a machine affixes a
"kinegram" - a technique that gives an impression of moving figures - and the glittering figures.

Then comes the turn of the intaglio printing which will effectively give the impression that relief if
identifiable on the tickets. Then allocated to each ticket for a different number, for conventional
printing, and finally, the opening to prevent dirt and increase the lifetime of the ticket.

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