These currency exhibits are sub-categorized by design, materials, denominations, size, shape and so forth.
The size of banknotes issued by central banks often varies, depending upon their face valu, although some central banks issue notes uniform size regardless of the face value. Please look for various types of banknotes
Paper and cotton are the primary materials used for banknotes. Some countries have recently used polymer, a kind of plastic, to extend the life of their money.