Applied to the A 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, this is the process by which the surface of the banknote is coated with a layer of varnish with the purpose of decreasing the level of absorption of the The physical media or support on which the image is printed, such as paper, polymer or hybrid, etc. More, thereby reducing its The process of staining, usually by greasy materials sticking to the surface or by the absorption and adhesion of dust and particles to the cotton fibres of which the banknote is made. It is one of the main reasons for banknote deterioration and their subsequent destruction. More and prolonging the life of the banknote in circulation.