The paper is forced into the sunken areas to receive the ink. Large scale commercial intaglio printing is almost exclusively used to make bank notes. [4] X Research source The paper that banknotes are printed on is not sold commercially. Also, the chemical composition of the paper and ink is http://andredsour.blogolize.com/Counterfeit-money-Cosas-que-debe-saber-antes-de-comprar-32145980