Numismatics ("coin"; from the, "to use according to law")'s the study or collection of currency, including coins, tokens, paper money, and related objects. While numismatists are often characterized as students or collectors of coins, the discipline also includes the broader study of payment media used to resolve debts and the exchange of goods. Lacking a structured monetary system, people in the past as well as some today lived in a barter society and used locally-found items of inherent or im… (More on Numismatics)