The figure or amount written on the banknoteA banknote (or ‘bill’ as it is often referred to in the US) is a type of negotiable promissory note, issued by a bank or other licensed authority, payable to the bearer on demand. More or coinA coin is a small, flat, round piece of metal alloy (or combination of metals) used primarily as legal tender. Issued by government, they are standardised in weight and composition and are produced at ‘mints’. More which indicates the amount of its economic value. It is usually written in letters and numbers.