In the 18th century, banknotes had been made primarily by copper-plate engraving and printing, plus they were being one-sided. Note-earning technologies remained mainly unchanged during the 18th century.[sixty] The first banknotes were being made by intaglio printing: this involved engraving a copper plate by hand and after that covering it https://ammousamidway77654.ttblogs.com/7167295/how-bank-notes-in-uk-can-save-you-time-stress-and-money