Inside the 18th century, banknotes have been produced predominantly by copper-plate engraving and printing, they usually have been one-sided. Note-earning systems remained mainly unchanged over the 18th century.[60] The first banknotes were being produced by intaglio printing: this associated engraving a copper plate by hand after which masking it in https://beckettqbltc.izrablog.com/28141388/a-secret-weapon-for-buy-notes-from-banks